20120421 - Referential JPY based on CPI

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[<Normal page] [PEREZGONZALEZ Jose D (2011). Referential JPY based on CPI. Journal of Knowledge Advancement & Integration (ISSN 1177-4576), 2012, pages 137-139.]

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, 2011¹). The formula is the following:

rJPY = nominal JPY + (nominal JPY * multiplier)

Year	CPI A.Avg	Base 2010	multiplier
1970	32.5	99.6	2.0646
1971	34.6	99.6	1.8786
1972	36.3	99.6	1.7438
1973	40.5	99.6	1.4593
1974	49.9	99.6	0.9960
1975	55.8	99.6	0.7849
1976	61.0	99.6	0.6328
1977	66.0	99.6	0.5091
1978	68.7	99.6	0.4498
1979	71.3	99.6	0.3969
1980	76.9	99.6	0.2952
1981	80.6	99.6	0.2357
1982	82.8	99.6	0.2029
1983	84.4	99.6	0.1801
1984	86.3	99.6	0.1541
1985	88.1	99.6	0.1305
1986	88.6	99.6	0.1242
1987	88.7	99.6	0.1229
1988	89.3	99.6	0.1153
1989	91.3	99.6	0.0909
1990	94.1	99.6	0.0584
1991	97.2	99.6	0.0247
1992	98.9	99.6	0.0071
1993	100.1	99.6	-0.0050
1994	100.8	99.6	-0.0119
1995	100.7	99.6	-0.0109
1996	100.8	99.6	-0.0119
1997	102.6	99.6	-0.0292
1998	103.3	99.6	-0.0358
1999	103.0	99.6	-0.0330
2000	102.2	99.6	-0.0254
2001	101.5	99.6	-0.0187
2002	100.6	99.6	-0.0099
2003	100.3	99.6	-0.0070
2004	100.3	99.6	-0.0070
2005	100.0	99.6	-0.0040
2006	100.3	99.6	-0.0070
2007	100.3	99.6	-0.0070
2008	101.7	99.6	-0.0206
2009	100.3	99.6	-0.0070
2010	99.6	99.6	0.0000
2011	99.7	99.6	-0.0010
2012*	102.7	99.6	-0.0301
2013*	105.8	99.6	-0.0583
2014*	108.9	99.6	-0.0858
2015*	112.2	99.6	-0.1124
2016*	115.6	99.6	-0.1383
2017*	119.0	99.6	-0.1634
2018*	122.6	99.6	-0.1877
2019*	126.3	99.6	-0.2114
2020*	130.1	99.6	-0.2344
2021*	134.0	99.6	-0.2567
(It assumes a 3% inflation rate for each year after 2011. These multipliers should be substituted with their real inflation values as soon as they are known.)*

References

1. RATE INFLATION (2011). Japan - Consumer Price Index (CPI) history. Retrieved from Rate Inflation on 17 April 2012.

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.
Wiki of Science - Referential currency (list of topics): This Wiki of Science page provides a list of topics related to referential currencies.