Value of 1971 Japanese Yen today

¥25 in 1971

¥77.71 today

The inflation rate in Japan between 1971 and today has been 210.84%, which translates into a total increase of ¥52.71. This means that 25 yen in 1971 are equivalent to 77.71 yen in 2021. In other words, the purchasing power of ¥25 in 1971 equals ¥77.71 today. The average annual inflation rate has been 2.25%.

Inflation timeline in Japan (1971-2022)

The following chart depicts the equivalence of ¥25 throughout the years due to inflation and CPI changes. All values are equivalent in terms of purchasing power, which means that for each year the same goods or services could be bought with the indicated amount of money.

All calculations are performed in the local currency (JPY) and using 6 decimal digits. Results show only up to 2 decimal digits to favour readability. Inflation data is provided by governments and international institutions on a monthly basis. Today's values were obtained by estimating figures from recent trends.

The following table contains relevant indicators:

Indicator Value
Total Inflation (1971-2021) 211.08%
Total Inflation* 210.84%
Annual inflation avg. (1971-2021) 2.3%
Annual inflation avg.* 2.25%
CPI 1971 32.5
CPI 2021 101.1
CPI today* 101.02
¥1 in 1971 ¥3.11 in 2021

* Values extrapolated from the last official data to obtain today's values.

How to calculate today's value of money after inflation?

There are several ways to calculate the time value of money. Depending on the data available, results can be obtained by using the compound interest formula or the Consumer Price Index (CPI) formula.

Using the compound interest formula

Given that money changes with time as a result of an inflation rate that acts as a compound interest, the following formula can be used: FV = PV (1 + i)n, where:

  • FV: Future Value
  • PV: Present Value
  • i: Interest rate (inflation)
  • n: Number of times the interest is compounded (i.e. # of years)

In this case, the future value represents the final amount obtained after applying the inflation rate to our initial value. In other words, it indicates how much are ¥25 worth today. There are 50 years between 1971 and 2021 and the average inflation rate has been 2.2487%. Therefore, we can resolve the formula like this:

FV = PV (1 + i)n = ¥25 * (1 + 0.02)50 = ¥77.77

Using the CPI formula

When the CPI for both start and end years is known, the following formula can be used:

Final value = Initial value *
CPI final/CPI initial

In this case, the CPI in 1971 was 32.5 and the CPI today is 101.02. Therefore,

Final value = Initial value *
CPI final/CPI initial
= ¥25 *
101.1/32.5
= ¥77.77

Japan inflation - Conversion table

Initial Value Equivalent value
¥1 yen in 1971 ¥3.11 yen today
¥5 yen in 1971 ¥15.54 yen today
¥10 yen in 1971 ¥31.08 yen today
¥50 yen in 1971 ¥155.42 yen today
¥100 yen in 1971 ¥310.84 yen today
¥500 yen in 1971 ¥1,554.22 yen today
¥1,000 yen in 1971 ¥3,108.44 yen today
¥5,000 yen in 1971 ¥15,542.19 yen today
¥10,000 yen in 1971 ¥31,084.38 yen today
¥50,000 yen in 1971 ¥155,421.9 yen today
¥100,000 yen in 1971 ¥310,843.79 yen today
¥500,000 yen in 1971 ¥1,554,218.96 yen today
¥1,000,000 yen in 1971 ¥3,108,437.93 yen today

Value of Yen over time (by year)

Period Value
1971 25
1972 26.23
1973 27.69
1974 32.77
1975 39.69
1976 42.77
1977 47.31
1978 49.69
1979 51.62
1980 54.54
1981 58.46
1982 61
1983 62.23
1984 63.31
1985 65
1986 65.92
1987 65.69
1988 66.23
1989 66.92
1990 68.69
1991 71.23
1992 73.15
1993 74
1994 74.77
1995 75.23
1996 74.92
1997 75.38
1998 76.77
1999 77.23
2000 76.38
2001 76.08
2002 75.15
2003 74.92
2004 74.62
2005 74.77
2006 74.46
2007 74.69
2008 75.23
2009 75.54
2010 74.23
2011 74
2012 73.85
2013 73.69
2014 74.92
2015 76.69
2016 76.77
2017 77
2018 77.85
2019 78.08
2020 78.69
2021 77.77
Today 77.71