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 | BJT Anutin Charnvirakul | 7 Sep 2025 – now | +3.3 pp Aug 2025 → Aug 2026 | +3.3 pp/yr | |
| 2 | NAP Chavalit Yongchaiyudh | 25 Nov 1996 – 9 Nov 1997 | +3.0 pp Oct 1996 → Oct 1997 | +3.0 pp/yr | |
| 3 | TRT Thaksin Shinawatra | 9 Feb 2001 – 19 Sep 2006 | +2.5 pp Jan 2001 → Aug 2006 | +0.4 pp/yr | |
| 4 | DP Abhisit Vejjajiva | 17 Dec 2008 – 5 Aug 2011 | +1.9 pp Nov 2008 → Jul 2011 | +0.7 pp/yr | |
| 5 | N Surayud Chulanont | 1 Oct 2006 – 29 Jan 2008 | +0.5 pp Sep 2006 → Dec 2007 | +0.4 pp/yr | |
| 6 |  Srettha Thavisin | 22 Aug 2023 – 14 Aug 2024 | +0.4 pp Jul 2023 → Jul 2024 | +0.4 pp/yr | |
| 7 | DP Chuan Leekpai | 23 Sep 1992 – 13 Jul 1995 | +0.4 pp Aug 1992 → Jun 1995 | +0.1 pp/yr | |
| 8 |  Prayut Chan-o-cha | 9 Jun 2019 – 22 Aug 2023 | −0.8 pp May 2019 → Jul 2023 | −0.2 pp/yr | |
| 9 | CT Banharn Silpa-archa | 13 Jul 1995 – 25 Nov 1996 | −1.2 pp Jun 1995 → Oct 1996 | −0.9 pp/yr | |
| 10 | N Prayut Chan-o-cha | 22 May 2014 – 9 Jun 2019 | −1.3 pp Apr 2014 → May 2019 | −0.3 pp/yr |
Showing 10 of 13 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 · Ministry of Commerce's consumer price index via the IMF (CPI, all items, its change on the same month a year earlier), national · Thailand data · as of Aug 2026.