Inflation (CPI) during each prime minister's tenure
Every prime minister since 1991, ranked by how the inflation (CPI) changed from their first day in office. Politare shows what happened during a tenure; it does not claim the office-holder caused it.
| # | Prime minister | In office | Total | Per year | Chart |
|---|---|---|---|---|---|
| 1 | LDP Yasuo Fukuda | 26 Sep 2007 – 24 Sep 2008 | +2.3 pp Aug 2007 → Aug 2008 | +2.3 pp/yr | |
| 2 | LDP Fumio Kishida | 10 Nov 2021 – 11 Nov 2024 | +2.2 pp Oct 2021 → Oct 2024 | +0.7 pp/yr | |
| 3 | LDP Junichiro Koizumi | 26 Apr 2001 – 26 Sep 2006 | +1.6 pp Mar 2001 → Aug 2006 | +0.3 pp/yr | |
| 4 | DPJ Naoto Kan | 8 Jun 2010 – 2 Sep 2011 | +1.1 pp May 2010 → Aug 2011 | +0.9 pp/yr | |
| 5 | LDP Ryutaro Hashimoto | 11 Jan 1996 – 30 Jul 1998 | +0.4 pp Dec 1995 → Jun 1998 | +0.2 pp/yr | |
| 6 | LDP Shinzō Abe | 26 Dec 2012 – 16 Sep 2020 | +0.4 pp Nov 2012 → Aug 2020 | +0.1 pp/yr | |
| 7 | LDP Yoshihide Suga | 16 Sep 2020 – 10 Nov 2021 | −0.1 pp Aug 2020 → Oct 2021 | −0.1 pp/yr | |
| 8 | LDP Yoshirō Mori | 5 Apr 2000 – 26 Apr 2001 | −0.2 pp Mar 2000 → Mar 2001 | −0.2 pp/yr | |
| 9 | DPJ Yoshihiko Noda | 2 Sep 2011 – 26 Dec 2012 | −0.4 pp Aug 2011 → Nov 2012 | −0.3 pp/yr | |
| 10 | LDP Keizō Obuchi | 30 Jul 1998 – 5 Apr 2000 | −0.6 pp Jun 1998 → Mar 2000 | −0.3 pp/yr |
Showing 10 of 15 tenures.
Sorted by total, highest first. Every row is indexed to the last month complete before the first day in office ("from" marks a start that had to move because that period had no data, or because the period cut it); Levels are per cent changes, rates are differences in pp; "per year" compounds levels and divides rates. Tenures with under 12 months, or under three observations, are left out. % change on a year earlier · Statistics Bureau of Japan consumer price index via e-Stat (0003427113), all items, 2020 base · Japan data · as of Sep 2026.