Predloga:Inflation

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This template defaults to calculating the inflation of Consumer Price Index values: staples, workers' rent, small service bills (doctor's costs, train tickets). For inflating capital expenses, government expenses, or the personal wealth and expenditure of the rich, the US-GDP or UK-GDP indexes should be used, which calculate inflation based on the gross domestic product (GDP) for the United States and United Kingdom, respectively.

Ne predvidevajte, da bo uporaba te predloge pomenila, da je izračunana vrednost "trenutna", "od leta 2025", "od leta 2024" ali "nedavna". Glede na MOS:REALTIME morajo izrazi, dani s to predlogo, navesti end_year ali pa se zanašati na |fmt=eq ali {{Inflation/year}}, da samodejno navedejo zadnje leto, v katerem ta predloga zagotavlja izračun inflacije. Ne uporabljajte {{CURRENTYEAR}}.

Predloga se uporablja na številnih straneh, zato bo vsaka njena sprememba takoj zelo opazna. Prosimo, da vse spremembe, ki jih želite uvesti, pred uvedbo preizkusite na podstraneh predloge (/peskovnik in /testniprimeri) ali na svojih lastnih podstraneh. Pred spreminjanjem te predloge se o želenih spremembah rajši pogovorite na pogovorni strani.

This template calculates inflation based on several inflation index data sets. The template uses an identification code for an inflation index (usually a country code), an original value, an original start_year and either a specific reference end_year or by default the latest currently available end year,^[1] and calculates the equivalent value from historical economic changes between the original and reference years. For example, this template calls the United States inflation table located in the sub-template Template:Inflation/US/dataset to perform the U.S. calculation.

Aside from a convenient way to calculate values from different specified time periods, this template allows a regularly automatically updated calculation of value based on the most recent available inflation data. Whenever inflation tables are updated, potentially annually, all articles using this template have their displayed values updated accordingly.

Usage

{{Inflation|index|value|start_year}}
{{Inflation|index|value|start_year|end_year}}
{{Inflation|index|value|start_year|r=decimals|fmt=c}}
{{Inflation|index|value|start_year|r=decimals|fmt=eq}}
{{Inflation|index|value|start_year|r=decimals|fmt=eq|cursign=X}}

The supported countries are listed below, with their index and available data periods:

`index`	Country	`start_year` minimum	`end_year` maximum
AU	Australia^[2]	1901	2018
AU-road	Australia [...?]^[3]	1998	2018
BD	Bangladesh^[4]	1986	2021
CA	Canada^[5]	1914	2021
DE	Germany^[6]	1882	2021
IN	India^[7]	1595	2020
IR	Iran^[8]	1315	1398
JP	Japan^[9]	1946	2019
PH	Philippines^[10]	1958	2021
PK	Pakistan^[11]	1960	2021
UK	United Kingdom^[12]	1209	2021
UK-GDP	United Kingdom GDP deflator^[13]	1700	2019
US	United States^[14]	1800	2021
US-GDP	United States GDP deflator^[15]	1790	2021
ZAR	South Africa^[16]	1960	2018
KRW	South Korea^[17]	1951	2017

Parameters

|index= (parameter 1), required, an index code for one of several available inflation indexes.
|value= (parameter 2), required, original price or value from which to base the inflation calculation on. Will ignore any commas, but must not have a currency symbol.
|start_year= (parameter 3), required, original year from which to base the inflation calculation on. Must be a year available in the chosen inflation index. As an exception to this, if the current year is specified and no end_year is specified, the template will output value unchanged, as it can be assumed an inflation of zero.
|end_year= (parameter 4), optional, reference year for which to calculate inflation. Must be higher (later) than start_year, but not higher than the highest (most recent) year available in the chosen inflation index, and will default to the highest (most recent) available year if omitted.
|r=digit sets the digits to which the value must be rounded. A negative value indicates rounding to an upper significant digit, and a positive value indicates a fractional digit including trailing zeros. Defaults to 0, i.e., without cents.
|fmt=c will insert thousands separator commas into the calculated value.
|fmt=eq will show an equivalent-to phrase, in the format, "equivalent to cursignend_value in end_year". Uses thousands separator commas.
- |cursign= will set the currency symbol to be shown. Only functions when |fmt=eq is used. Can use advanced symbol formats, but can only precede the calculated value. Default is $.

Examples

Y {{Inflation|KRW|100|2000}} → 155
Y {{Inflation|DE|100|2000}} → 66
Y {{Inflation|US|595|1982}} → 1576
Y {{Inflation|US|595|1982|fmt=eq}} → equivalent to $1.576 in 2021
Y {{Inflation|US|800|1942|fmt=eq|r=-3}} → equivalent to $13.000 in 2021
Y {{Inflation|US|100|2010|2012|fmt=eq|r=2}} → equivalent to $105,28 in 2012
Y US$595 ({{Inflation|US|595|1982|fmt=eq}}) → US$595 (equivalent to $1.576 in 2021)
Y US$595 ({{Inflation|US|595|1982|fmt=eq|cursign=[[United States dollar|US$]]}}) → US$595 (equivalent to US$1.576 in 2021)
Y $21 million (equivalent to ${{Inflation|US|21|2005|r=2}} million in {{Inflation/year|US}}) → $21 million (equivalent to $2749 million in 2021)
Y {{Inflation|UK|1|1209|fmt=eq|cursign=£}} → equivalent to £1 in 2021
Y {{Inflation|AU|100|2025|fmt=eq}} → equivalent to $100 in 2025
Y ${{Inflation|US|100|2025}} in {{Inflation/year|US}} → $100 in 2021

It is possible to use the template in incorrect ways without producing error messages. Please read the warnings and appropriate uses of this template at the beginning of the template description.

N {{Inflation|UK|10|1971|fmt=eq}}

→ equivalent to $142 in 2021 (Omitting the |cursign= parameter will show the $ symbol by default, which is the wrong currency symbol for British currency)

Y {{Inflation|UK|10|1971|fmt=eq|cursign=£}} → equivalent to £142 in 2021
N $595 (${{Inflation|US|595|1982|fmt=c}} today)

→ $595 ($1.576 today) (Misleading time reference)

N $595 (${{Inflation|US|595|1982|fmt=c}} in {{CURRENTYEAR}})

→ $595 ($1.576 in 2025) (Misleading time reference)

N $100 (${{Inflation|US|595|1982|fmt=c}} adjusted for inflation)

→ $100 ($1.576 adjusted for inflation) (Misleading time reference)

Y $595 ({{Inflation|US|595|1982|fmt=eq}}) → $595 (equivalent to $1.576 in 2021)
Y $595 (equivalent to ${{Inflation|US|595|1982|fmt=c}} in {{Inflation/year|US}}) → $595 (equivalent to $1.576 in 2021)
N Jane Doe amassed a fortune of $1 billion in 1975, making her worth ${{Inflation|US|1|1975|fmt=c}} billion in {{Inflation/year|US}}.

→ Jane Doe amassed a fortune of $1 billion in 1975, making her worth $5 billion in 2021. (CPI is not for personal wealth of the wealthy – use GDP deflator instead)

N Jane Doe amassed a fortune of $1 billion in 1975, equivalent to ${{Inflation|US|1|1975|fmt=c}} billion in {{Inflation/year|US}}.

→ Jane Doe amassed a fortune of $1 billion in 1975, equivalent to $5 billion in 2021. (CPI is not for personal wealth of the wealthy – use GDP deflator instead)

Y Jane Doe amassed a fortune of $1 billion in 1975, equivalent to ${{Inflation|US-GDP|1|1975|fmt=c}} billion in {{Inflation/year|US-GDP}}. → Jane Doe amassed a fortune of $1 billion in 1975, equivalent to $4 billion in 2021

Entering invalid parameters or omitting required parameters will result in an error message and categorization into Category:Pages with errors in inflation template.

N {{Inflation}}

→ Error when using {{Inflation}}: |index= (parameter 1), |value= (parameter 2) and |start_year= (parameter 3) must be specified.

N {{Inflation|abc}}

→ Error when using {{Inflation}}: |value= (parameter 2) and |start_year= (parameter 3) must be specified.

N {{Inflation|AU}}

→ Error when using {{Inflation}}: |value= (parameter 2) and |start_year= (parameter 3) must be specified.

N {{Inflation|AU|100}}

→ Error when using {{Inflation}}: |start_year= (parameter 3) must be specified.

N {{Inflation|abc|€100|1980}}

→ Error when using {{Inflation}}: |index=abc (parameter 1) not a recognized index.

N {{Inflation|DE|€100|1980}}

→ Error when using {{Inflation}}: NaN, check parameters for non-numeric data: |value=€100 (parameter 2).

N {{Inflation|DE|€100|zzzz|zzzz|r=zzzz}}

→ Error when using {{Inflation}}: NaN, check parameters for non-numeric data: |value=€100 (parameter 2), |start_year=zzzz (parameter 3), |end_year=zzzz (parameter 4) and |r=zzzz.

N {{Inflation|AU|100|1200|2026}}

→ Error when using {{Inflation}}: |start_year=1200 (parameter 3) is lower than the earliest available year (1901) in index "AU" and |end_year=2026 (parameter 4) is greater than the latest available year (2018) in index "AU".

N {{Inflation|AU|100|2005|2004}}

→ Error when using {{Inflation}}: |start_year=2005 (parameter 3) is greater than |end_year=2004 (parameter 4). (see the Limitations section below)

N {{Inflation|AU|100|2005|2026|fmt=eq}}

→ Error when using {{Inflation}}: |end_year=2026 (parameter 4) is greater than the latest available year (2018) in index "AU".

N {{Inflation|AU|100|2025|2026|fmt=eq}}

→ Error when using {{Inflation}}: |end_year=2026 (parameter 4) is greater than the latest available year (2018) in index "AU".

N {{Inflation|AU|100|2025|1905|fmt=eq}}

→ Error when using {{Inflation}}: |start_year=2025 (parameter 3) is greater than |end_year=1905 (parameter 4).

N {{Inflation|AU|100|2026|fmt=eq}}

→ Error when using {{Inflation}}: |start_year=2026 (parameter 3) is greater than the latest available year (2018) in index "AU".

Tips & tricks

Currency conversion

This template is currency agnostic, which means it doesn't convert between different currencies. Thus, if you wanted to know how much DM 1,000.00 marks in 1960 are worth nowadays, entering {{Inflation|DE|1000|1960|r=2}} would provide a result (229626) still in marks, not in euros.

Consequently, if you need a result in another currency than the one in which the original value is stated, for now you must do the conversion manually, as in the following example which uses the defined conversion rate of € 1 = DM 1.95583:

Y {{#expr:({{Inflation|DE|1000|1960|r=2}} / 1.95583) round 2}} → 117405.91

Predloga:ToDo A currency conversion template to ease these conversion tasks is planned. This section will be updated accordingly once it's developed.

Non-decimal inputs

The template does not accept non-decimal inputs such as £sd; these must be decimalized beforehand. For example, if you wanted to know the value of three shillings and sixpence (3s 6d) Sterling in 1950 in 2018, you must convert to the appropriate decimal value (in this case £0.175) for use in the template:

Y {{Inflation|GBP|0.175|1950|2018}} → 5890

For £sd specifically {{Pounds, shillings, and pence}} can be used to convert to decimal. For other non-decimal currencies, such as the old Indian rupee, templates can be made for decimalization upon request.

Y {{Inflation|GBP|{{£sd|s=3|d=6}}|1950|2018|r=0|fmt=eq|cursign=£}} → equivalent to £6 in 2018

Y {{Inflation|UK|{{£sd|s=10|d=6}}|1865|fmt=eq|cursign=£}} → equivalent to £51 in 2021

Rounding

By default the values are calculated to the unit, as for all but very low values cents are undesirable. You can specify rounding with the |r= parameter which determines the number of decimals. To obtain cents use |r=2, but other values can be used, including negative ones: |r=-3, for example, will round to the nearest thousand, |r=-6 to the nearest million, and so on. It is advisable to avoid excessive precision; even if the start value is known to be exact, the template's result will not be because the inflation index tables are rarely accurate to more than about 1%, and a granularity of whole years is used.

Very large results

Very large results are expressed in scientific notation ("1.2E+14" instead of "120000000000000") which is normally not desirable. A workaround is to express the value to be inflated with fewer digits, adding a multiplier text such as "trillion" after the result, using the "Show preview" button as many times as needed, changing parameters until the best result is found:

Y ${{Inflation|US-GDP|1000000000000|1900|r=-11|fmt=c}} → $25.900.000.000.000
N ${{Inflation|US-GDP|10000000000000|1900|r=-12|fmt=c}}

→ $259.000.000.000.000

N ${{Inflation|US-GDP|10000000000|1900|r=-9|fmt=c}} thousand

→ $259.000.000.000 tisoč

Y ${{Inflation|US-GDP|10000000|1900|r=-6|fmt=c}} million → $259.000.000 milijonov
Y ${{Inflation|US-GDP|10000|1900|r=-3|fmt=c}} billion → $259.000 miljard
Y ${{Inflation|US-GDP|10|1900|fmt=c}} trillion → $259 bilijonov

The following section provides an automated way of avoiding this trial and error scenario.

Format price

{{Format price}} is a template specifically designed to display price values, both big and small, in a readable way. For example, instead of showing the whole of a huge number such as "953,783,409,856.12", it would show it as "954 milijard", while small numbers have their cents part appearing as expected, "1234.5" being properly shown as "1,23 tisoč".

Y ${{Format price|{{Inflation|US-GDP|10000000000000|1900}}}} → $259 kvadriljonov
Y ${{Format price|{{Inflation|US-GDP|1000000|1990}}}} → $1,76 milijonov
Y DM {{Format price|{{Inflation|DE|1000000|1957|1978}}}} → DM 2,01 milijonov
Y £{{Format price|{{Inflation|UK-GDP|1000|1323}}}} → £662 tisoč

Documenting

It's a good practice to provide a valid reference for the prices calculated with this template in articles where it's used. The template {{Inflation/fn}} was developed to ease this task. It accepts as its single parameter the same country codes used here, and will generate one or more appropriate footnotes. Typically, this is how a piece of text using it looks like:

In 1985 a unit cost on average $1,040. This is {{Inflation|US|1040|1985|fmt=eq}}.{{Inflation/fn|US}}

Resulting in this converted code (notice the footnote link at the end):

In 1985 a unit cost on average $1,040. This is equivalent to $2.472 in 2021.^[14]

The footnote thus generated appears whenever {{reflist}} or <references /> is used in an article, usually in its "References" section. See below for the live example in this document's own References section, or click the above generated footnote to jump to it.

Limitations

Currently it isn't possible to "de-inflate" a value to what it would have been in a previous year. If you need this functionality, please request it at the talk page. Adding it won't be difficult, but there's no point in doing so before someone actually needs it.
Substitution isn't supported at all. Trying to {{subst:Inflation|...}} would only result in a long sequence of embedded parser code without any direct benefit. If you need to obtain an inflated price only once, please use the special ExpandTemplates page then copy the result and paste it at the desired location.

Developer documentation

An inflation series represents templates in the following categories:

Template:Inflation/index
Template:Inflation/index/dataset
Template:Inflation/index/startyear
Template:Inflation/doc/index (Which is then displayed at Inflation/name/dataset as the documentation, and needs to refer to the original data source)

Modifications need to be made to:

Current subpages:

Pages with the prefix 'Inflation' in the 'Template' and 'Template talk' namespaces:

Template:

Inflation

Template talk:

Inflation

TemplateData

To je dokumentacija TemplateData za predlogo, ki jo uporabljajo Vizualni urejevalnik in druga orodja; glejte mesečno poročilo o uporabi parametrov za to predlogo.

TemplateData za Inflation

This template calculates inflation based on several inflation index data sets. Note that this template defaults to calculating the inflation of Consumer Price Index values: staples, workers' rent, small service bills (doctor's costs, train tickets). For inflating capital expenses, government expenses, or the personal wealth and expenditure of the rich, the US-GDP or UK-GDP indexes should be used, which calculate inflation based on the [[gross domestic product]] (GDP) for the [[United States]] and [[United Kingdom]], respectively.

Parametri predloge[Urejanje podatkov predloge]
Za to predlogo se uporablja postavitev parametrov v eni vrstici.
Parameter		Opis	Vrsta	Stanje
Index	`index` `1`	An index code for one of several available inflation indexes. One of AU, AU-road, BD, CA, DE, IN, JP, PH, PK, UK, UK-GDP, US, US-GDP, ZAR. Zgled US	Niz	zahtevano
Value	`value` `2`	Original price or value from which to base the inflation calculation on. Will ignore any commas. Zgled 1000	Številka	zahtevano
Start year	`start_year` `3`	Original year from which to base the inflation calculation on. Must be a year available in the chosen inflation index. As an exception to this, if the current year is specified and no 'End year' is specified, the template will output value unchanged, as it can be assumed an inflation of zero. Zgled 1975	Številka	zahtevano
End year	`end_year` `4`	Reference year for which to calculate inflation. Must be higher (later) than 'Start year', but not higher than the highest (most recent) year available in the chosen inflation index, and will default to the highest (most recent) available year if omitted. Zgled 2015	Številka	neobvezno
Number of digits	`r`	Sets the digits to which the value must be rounded. A negative value indicates rounding to an upper significant digit, and a positive value indicates a fractional digit including trailing zeros. Defaults to 0. Privzeto 0 Zgled 1	Številka	neobvezno
Format	`fmt`	"c" will insert thousands separator commas into the calculated value. "eq" will show an equivalent-to phrase, in the format, "equivalent to (cursign)(end_value) in (end_year)". Uses thousands separator commas. Zgled eq	Niz	neobvezno
Currency sign	`cursign`	Sets the currency symbol to be shown. Only functions when Format "eq" is used. Can use advanced symbol formats, but can only precede the calculated value. Default is $. Privzeto $ Zgled €	Niz	neobvezno

References

↑ How recently depends on how the data set for each country is constructed, and on the internal tables being updated accordingly every January. Some data tables provide inflation data up to December 31, 2024, others up to roughly June-July 2024, and others yet up to December 31, 2023.
↑ Australian Consumer Price Inflation figures follow the Long Term Linked Series provided in Australian Bureau of Statistics (2011) 6461.0 – Consumer Price Index: Concepts, Sources and Methods, 2011 as explained at §§3.10–3.11; this series comprises "from 1901 to 1914, the A Series Retail Price Index; from 1914 to 1946–47, the C Series Retail Price Index; from 1946–47 to 1948–49, a combination of the C Series Index, excluding rent, and the housing group of the CPI; and from 1948–49 onwards, the CPI." (3.10). Retrieved May 4, 2015
↑ Inflated values automatically calculated using the "3101 Road and bridge construction Australia" series provided in Australian Bureau of Statistics (2014) 6427.0 – Producer Price Indexes, Australia, Mar 2014: Table 17 Output of the Construction industries, subdivision and class index numbers. Retrieved 14 June 2014.
↑ Bangladesh – Consumer price index, International Monetary Fund, International Financial Statistics and data files.^{[dvomljivo — glej pogovorno stran]}
↑ Canadian inflation numbers based on Statistics Canada tables 18-10-0005-01 (formerly CANSIM 326-0021) »Consumer Price Index, annual average, not seasonally adjusted«. Statistics Canada. 15. november 2020. Pridobljeno 15. novembra 2020. and 18-10-0004-13 »Consumer Price Index by product group, monthly, percentage change, not seasonally adjusted, Canada, provinces, Whitehorse, Yellowknife and Iqaluit«. Statistics Canada. Pridobljeno 15. novembra 2020.
↑ German inflation numbers based on data available from Deutsches Statistisches Bundesamt.
↑ Historic inflation India – CPI inflation, Inflation.eu, pridobljeno 19. marca 2020
↑ The Consumer Price Index for All Urban Consumers (Inflation Rate) (PDF) (v Persian), Central Bank of Iran, pridobljeno 25. junija 2020{{citation}}: Vzdrževanje CS1: neprepoznan jezik (povezava)
↑ Japanese Historical Consumer Price Index numbers based on data available from the Japanese Statistics Bureau. Japan Historical Consumer Price Index (CPI) – 1970 to 2014 Retrieved 30 July 2014. For between 1946 and 1970, from »昭和戦後史«. Pridobljeno 24. januarja 2015.
↑ Consumer Price Index,Inflation Rate and Purchasing Power of the Peso (national averages)
↑ Pakistan – Consumer price index, International Monetary Fund, International Financial Statistics and data files.^{[dvomljivo — glej pogovorno stran]}
↑ UK Retail Price Index inflation figures are based on data from Clark, Gregory (2017). »The Annual RPI and Average Earnings for Britain, 1209 to Present (New Series)«. MeasuringWorth. Pridobljeno 2. februarja 2020.
↑ United Kingdom Gross Domestic Product deflator figures follow the Measuring Worth "consistent series" supplied in Thomas, Ryland; Williamson, Samuel H. (2018). »What Was the U.K. GDP Then?«. MeasuringWorth. Pridobljeno 2. februarja 2020.
↑ ^14,0 ^14,1 Federal Reserve Bank of Minneapolis. »Consumer Price Index (estimate) 1800–«. Pridobljeno 1. januarja 2020.
↑ Thomas, Ryland; Williamson, Samuel H. (2020). »What Was the U.S. GDP Then?«. MeasuringWorth. Pridobljeno 22. septembra 2020. United States Gross Domestic Product deflator figures follow the Measuring Worth series.
↑ South Africa – Consumer price index, International Monetary Fund, International Financial Statistics and data files.^{[dvomljivo — glej pogovorno stran]}
↑ Consumer Price index from Statistics Korea. Consumer Price Index by year. Retrieved 3 April 2018

Zgornja dokumentacija je vključena od Predloga:Inflation/dok.
Urejevalci lahko eksperimentirajo v peskovnik in testniprimeri straneh te predloge.
Prosimo dodajte kategorije v /dok podstran. Podstran tega predloga.

[1] How recently depends on how the data set for each country is constructed, and on the internal tables being updated accordingly every January. Some data tables provide inflation data up to December 31, 2024, others up to roughly June-July 2024, and others yet up to December 31, 2023.

[inflation-AU-2] Australian Consumer Price Inflation figures follow the Long Term Linked Series provided in Australian Bureau of Statistics (2011) 6461.0 – Consumer Price Index: Concepts, Sources and Methods, 2011 as explained at §§3.10–3.11; this series comprises "from 1901 to 1914, the A Series Retail Price Index; from 1914 to 1946–47, the C Series Retail Price Index; from 1946–47 to 1948–49, a combination of the C Series Index, excluding rent, and the housing group of the CPI; and from 1948–49 onwards, the CPI." (3.10). Retrieved May 4, 2015

[inflation-AU-road-3] Inflated values automatically calculated using the "3101 Road and bridge construction Australia" series provided in Australian Bureau of Statistics (2014) 6427.0 – Producer Price Indexes, Australia, Mar 2014: Table 17 Output of the Construction industries, subdivision and class index numbers. Retrieved 14 June 2014.

[inflation-BD-4] Bangladesh – Consumer price index, International Monetary Fund, International Financial Statistics and data files.^{[dvomljivo — glej pogovorno stran]}

[inflation-CA-5] Canadian inflation numbers based on Statistics Canada tables 18-10-0005-01 (formerly CANSIM 326-0021) »Consumer Price Index, annual average, not seasonally adjusted«. Statistics Canada. 15. november 2020. Pridobljeno 15. novembra 2020. and 18-10-0004-13 »Consumer Price Index by product group, monthly, percentage change, not seasonally adjusted, Canada, provinces, Whitehorse, Yellowknife and Iqaluit«. Statistics Canada. Pridobljeno 15. novembra 2020.

[inflation-DE-6] German inflation numbers based on data available from Deutsches Statistisches Bundesamt.

[inflation-IN-7] Historic inflation India – CPI inflation, Inflation.eu, pridobljeno 19. marca 2020

[inflation-IR-8] The Consumer Price Index for All Urban Consumers (Inflation Rate) (PDF) (v Persian), Central Bank of Iran, pridobljeno 25. junija 2020{{citation}}: Vzdrževanje CS1: neprepoznan jezik (povezava)

[inflation-JP-9] Japanese Historical Consumer Price Index numbers based on data available from the Japanese Statistics Bureau. Japan Historical Consumer Price Index (CPI) – 1970 to 2014 Retrieved 30 July 2014. For between 1946 and 1970, from »昭和戦後史«. Pridobljeno 24. januarja 2015.

[inflation-PH-10] Consumer Price Index,Inflation Rate and Purchasing Power of the Peso (national averages)

[inflation-PK-11] Pakistan – Consumer price index, International Monetary Fund, International Financial Statistics and data files.^{[dvomljivo — glej pogovorno stran]}

[inflation-UK-12] UK Retail Price Index inflation figures are based on data from Clark, Gregory (2017). »The Annual RPI and Average Earnings for Britain, 1209 to Present (New Series)«. MeasuringWorth. Pridobljeno 2. februarja 2020.

[inflation-UKGDP-13] United Kingdom Gross Domestic Product deflator figures follow the Measuring Worth "consistent series" supplied in Thomas, Ryland; Williamson, Samuel H. (2018). »What Was the U.K. GDP Then?«. MeasuringWorth. Pridobljeno 2. februarja 2020.

[inflation-US-14] 14,0 ^14,1 Federal Reserve Bank of Minneapolis. »Consumer Price Index (estimate) 1800–«. Pridobljeno 1. januarja 2020.

[inflation-USGDP-15] Thomas, Ryland; Williamson, Samuel H. (2020). »What Was the U.S. GDP Then?«. MeasuringWorth. Pridobljeno 22. septembra 2020. United States Gross Domestic Product deflator figures follow the Measuring Worth series.

[inflation-ZAR-16] South Africa – Consumer price index, International Monetary Fund, International Financial Statistics and data files.^{[dvomljivo — glej pogovorno stran]}

[inflation-KRW-17] Consumer Price index from Statistics Korea. Consumer Price Index by year. Retrieved 3 April 2018

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