20130712 - Referential JPY based on CPI (2012e)

[Technology] (Note: A newer edition of this article exists)
[<Normal page] [PEREZGONZALEZ Jose D (2012). Referential JPY based on CPI (2012e)4. Knowledge (ISSN 2324-1624), 2013, pages 124-126, doi:10.6084/m9.figshare.743696


Referential JPY

The following table provides the inflator/deflator multiplier for calculating referential Japanese yen (rJPY, r¥). It is based on the average annual CPI for Japan (Rate Inflation, 20122). The formula is the following:

rJPY = nominal JPY + (nominal JPY * multiplier)
Year CPI A.Avg Base 2010 multiplier
1970 32.7 100.0 2.0581
1971 34.8 100.0 1.8736
1972 36.4 100.0 1.7473
1973 40.7 100.0 1.4570
1974 50.1 100.0 0.9960
1975 56.0 100.0 0.7857
1976 61.3 100.0 0.6313
1977 66.2 100.0 0.5106
1978 69.0 100.0 0.4493
1979 71.6 100.0 0.3966
1980 77.2 100.0 0.2953
1981 81.0 100.0 0.2346
1982 83.2 100.0 0.2019
1983 84.7 100.0 0.1806
1984 86.7 100.0 0.1534
1985 88.4 100.0 0.1312
1986 89.0 100.0 0.1236
1987 89.1 100.0 0.1223
1988 89.7 100.0 0.1148
1989 91.7 100.0 0.0905
1990 94.5 100.0 0.0582
1991 97.6 100.0 0.0246
1992 99.3 100.0 0.0070
1993 100.5 100.0 -0.0050
1994 101.2 100.0 -0.0119
1995 101.1 100.0 -0.0109
1996 101.2 100.0 -0.0119
1997 103.0 100.0 -0.0291
1998 103.7 100.0 -0.0357
1999 103.4 100.0 -0.0329
2000 102.7 100.0 -0.0263
2001 101.9 100.0 -0.0186
2002 101.0 100.0 -0.0099
2003 100.7 100.0 -0.0070
2004 100.7 100.0 -0.0070
2005 100.4 100.0 -0.0040
2006 100.7 100.0 -0.0070
2007 100.7 100.0 -0.0070
2008 102.1 100.0 -0.0206
2009 100.7 100.0 -0.0070
2010 100.0 100.0 0.0000
2011 99.7 100.0 0.0030
2012 99.7 100.0 0.0030
2013* 102.7 100.0 -0.0262
2014* 105.8 100.0 -0.0546
2015* 108.9 100.0 -0.0821
2016* 112.2 100.0 -0.1088
2017* 115.6 100.0 -0.1348
2018* 119.0 100.0 -0.1600
2019* 122.6 100.0 -0.1845
2020* 126.3 100.0 -0.2082
2021* 130.1 100.0 -0.2313
(*It assumes a 3% inflation rate for each year after 2012. These multipliers should be substituted with their real inflation values as soon as they are known.)
References
1. PEREZGONZALEZ Jose D (2011). Referential JPY based on CPI. Journal of Knowledge Advancement & Integration (ISSN 1177-4576), 2012, pages 137-139.
2. RATE INFLATION (2012). Japanese Consumer Price Index (CPI) history. Retrieved from Rate Inflation on 19 May 2013.
3. STATISTICS BUREAU (2012). 2010-Base Explanation of the Consumer Price Index. Ministry of Internal Affairs and Communication (Japan), 2012. Retrieved from Ministry of Internal Affairs and Communication on 19 May 2013.
+++ Footnotes +++
4. The 2012 edition updates the 2011 edition1 with the official CPI values for that year. (Japan also changed its base year to 2010 - Statistics Bureau, 20123. However this does not affect the resulting r¥ once all figures are updated accordingly.)

Author

Jose D PEREZGONZALEZ (2013). Massey University, Turitea Campus, Private Bag 11-222, Palmerston North 4442, New Zealand. (JDPerezgonzalezJDPerezgonzalez).

Want to know more?

MeasuringWorth - Japanese calculator
A handy website to learn about different inflation indexes and calculate the value of Japanese money according to those indexes, although it stops at year 2009.
WikiofScience - Referential currency (list of topics)
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