Japan vs South Korea: Inflation Comparison

Compare cumulative inflation, annual rates and purchasing power between Japan and South Korea from 2000 to 2026, based on World Bank CPI data.

Cumulative inflation in Japan was 11.4% between 2000 and 2026, according to World Bank CPI data (FP.CPI.TOTL).

Over the same period, cumulative inflation in South Korea was 80.8%.

VS

Japan

JPY
+11.4% Total Inflation
0.45% Avg Annual Rate
-10.3% Purchasing Power Lost
VS

South Korea

KRW
+80.8% Total Inflation
2.50% Avg Annual Rate
-44.7% Purchasing Power Lost
🏆
Japan had lower cumulative inflation — 69.4 percentage points less than the other country.

CPI Comparison Chart

Year-by-Year Comparison

Year Japan CPI Japan (Change) South Korea CPI South Korea (Change)
2000 102.67 - 73.11 -
2001 101.91 -0.7% 76.09 +4.1%
2002 100.97 -0.9% 78.19 +2.8%
2003 100.71 -0.3% 80.94 +3.5%
2004 100.70 0.0% 83.84 +3.6%
2005 100.41 -0.3% 86.15 +2.8%
2006 100.66 +0.2% 88.08 +2.2%
2007 100.72 +0.1% 90.32 +2.5%
2008 102.12 +1.4% 94.54 +4.7%
2009 100.73 -1.4% 97.14 +2.8%
2010 100.00 -0.7% 100.00 +2.9%
2011 99.73 -0.3% 104.03 +4.0%
2012 99.68 0.0% 106.30 +2.2%
2013 100.02 +0.3% 107.68 +1.3%
2014 102.78 +2.8% 109.06 +1.3%
2015 103.59 +0.8% 109.83 +0.7%
2016 103.46 -0.1% 110.89 +1.0%
2017 103.96 +0.5% 113.05 +1.9%
2018 104.99 +1.0% 114.72 +1.5%
2019 105.48 +0.5% 115.16 +0.4%
2020 101.09 -4.2% 105.77 -8.2%
2021 101.30 +0.2% 109.68 +3.7%
2022 107.84 +6.5% 115.20 +5.0%
2023 111.36 +3.3% 118.85 +3.2%
2024 114.41 +2.7% 132.20 +11.2%

Inflation by Decade: Japan vs South Korea

Year-by-year CPI and inflation for Japan and South Korea, 2000–2026
Year Japan (Total Inflation) Japan (Avg Annual Rate) South Korea (Total Inflation) South Korea (Avg Annual Rate)
1960s +61.1% 5.44% +214.4% 13.57%
1970s +119.1% 9.11% +250.4% 14.95%
1980s +18.9% 1.94% +69.1% 6.01%
1990s +9.3% 1.00% +60.5% 5.40%
2000s -1.9% -0.21% +32.9% 3.21%
2010s +5.5% 0.60% +15.2% 1.58%
2020s +13.2% 3.14% +25.0% 5.73%

The inflation gap between Japan and South Korea widened to 69.4 percentage points from 2000 to 2026.

¥100 in Japan in 2000 lost roughly the same relative value as ₩162.25 in South Korea.

Japan's highest annual inflation was 6.5% in 2022; South Korea's was 11.2% in 2024.

Frequently Asked Questions

Which had higher inflation, Japan or South Korea?

Between 2000 and 2026, South Korea had higher cumulative inflation (80.81%) than Japan (11.44%), according to World Bank CPI data.

What was cumulative inflation in Japan from 2000 to 2026?

Prices in Japan rose 11.44% cumulatively, an average of 0.45% per year.

What was cumulative inflation in South Korea from 2000 to 2026?

Prices in South Korea rose 80.81% cumulatively, an average of 2.5% per year.

More Popular Comparisons

Calculate Individually

Between 2000 and 2026, Japan had lower cumulative inflation (11.4%) than South Korea (80.8%).