State · 1932 – present
Thailand
A state of 1932 – present — 94 years, still standing in East and Southeast Asia. It replaced Rattanakosin Kingdom. The atlas records 30 things within it — wars and battles 4 · regime change 3 · unrest and atrocity 8 · famine and plague 1 · natural disasters 1 · treaties 2 · people 11. Its line of rulers holds 4 people.
- Still standing: the span runs to the year of the build, 2026.
For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.
- Stood
- 94 years
- and still standing
- Rulers
- 4
- the King of Thailand
- Most ground
- 523,900 km²
- in 1932
- Within it
- 30
- recorded rows
- Symbols
- 2
- on record, with years
Where it sits in time
Five thousand years, 3000 BCE to 2026; the state in gold, what it replaced or followed and what replaced or followed it in grey.
Before and after
The states the record files it as replacing or following, and those that replaced or followed it - Wikidata's own statements, each read from this state's side.
Before it
- Rattanakosin Kingdom · replaces · 1782 – 1932
Rulers
The line of King of Thailand - the office this state names as its head of state.
| Ruler | Reign | Length | How it ended · source | To the ruler before |
|---|---|---|---|---|
| Prajadhipok | 1925 – 1935 | 10 years | abdicated, the article saysread from the ruler's own article | |
| Ananda Mahidol | 1935 – 1946 | 11 years | killedWikidata's manner of death | |
| Bhumibol Adulyadej | 1946 – 2016 | 70 years | died in office of natural causesWikidata's manner of death | sibling |
| Vajiralongkorn | 2016 – in office | in office since 2016 | still in office | child |
4 rulers, 4 with terms dated as terms, covering 1925 – 2016. Median reign 11 years. 2 of 3 handovers irregular - a killing, a deposition, a rival claimant, a rising or a coup beside it. A blank in the last column means no kin on record, which is coverage, never “unrelated”.
Heads of government
The line of Prime Minister of Thailand, drawn and never measured: a cabinet is not a reign.
| Phraya Manopakorn Nitithada | 1932 – 1933 |
| Phraya Phahonphonphayuhasena | 1933 – 1938 |
| Plaek Phibunsongkhram | 1938 – 1944 |
| Khuang Aphaiwong | 1944 – 1945 |
| Thawan Thamrongnawasawat | 1946 – 1947 |
| Pridi Banomyong | 1946 – 1946 |
| Khuang Aphaiwong | 1947 – 1949 |
| Plaek Phibunsongkhram | 1948 – 1957 |
| Plaek Phibunsongkhram | 1952 – 1957 |
| Pote Sarasin | 1957 – 1957 |
| Thanom Kittikachorn | 1958 – 1958 |
| Sarit Thanarat | 1959 – 1963 |
| Thanom Kittikachorn | 1963 – 1969 |
| Thanom Kittikachorn | 1972 – 1973 |
| Sanya Dharmasakti | 1974 – 1975 |
| Kukrit Pramoj | 1975 – 1976 |
| Seni Pramoj | 1976 – 1976 |
| Thanin Kraiwichian | 1976 – 1977 |
| Kriangsak Chamanan | 1977 – 1980 |
| Prem Tinsulanonda | 1980 – 1988 |
| Prem Tinsulanonda | 1986 – 1988 |
| Chatichai Choonhavan | 1988 – 1991 |
| Chuan Leekpai | 1992 – 1995 |
| Anand Panyarachun | 1992 – 1992 |
| Suchinda Kraprayoon | 1992 – 1992 |
| Banhan Sinlapa-acha | 1995 – 1996 |
| Chawalit Yongchaiyut | 1996 – 1997 |
| Chuan Leekpai | 1997 – 2001 |
| Thaksin Shinawatra | 2001 – 2005 |
| Surayud Chulanont | 2006 – 2008 |
| Sonthi Boonyaratglin | 2006 – 2006 |
| Abhisit Vejjajiva | 2008 – 2011 |
| Samak Sundaravej | 2008 – 2008 |
| Somchai Wongsawat | 2008 – 2008 |
| Chaovarat Chanweerakul | 2008 – 2008 |
| Yingluck Shinawatra | 2011 – 2014 |
| Prayut Chan-o-cha | 2014 – 2023 |
| Prawit Wongsuwon | 2022 – 2022 |
| Srettha Thavisin | 2023 – 2024 |
| Phumtham Wechayachai | 2024 – 2024 |
| Paetongtarn Shinawatra | 2024 – 2025 |
| Anutin Charnvirakul | 2025 – … |
| Suriya Jungrungreangkit | 2025 – 2025 |
Ground held, by year
km² inside its borders as the borders dataset draws them, measured on an equal-area grid; a step series, held between the years the dataset maps.
523,900 km² in 1932, 523,500 km² in 2022; at its largest 523,900 km² in 1932. Cliopatria, CC BY 4.0.
Flags and arms, in order
Each symbol with the years its own statement gives; the timeline flies the one of the year on screen.

coat of arms, from 1911Emblem of Thailand · Public domain 
flag, from 1917Flag of Thailand · Public domain
What happened within it, by century
Every row the atlas hosts under this state, by the century it began in: wars and battles in red, risings, regime changes and massacres beside them, everything else in grey. A tall bar is a century the record is full for, which is partly a fact about Wikipedia.
1900 – 199919 rows · 3 wars and battles · 4 risings, regime changes and massacres
- Bhumibol Adulyadej · ruler · 1927 – 2016
- Vajiralongkorn · ruler · 1952 – present
- Yingluck Shinawatra · politician · 1967 – present
- Thaksin Shinawatra · politician · 1949 – present
- Paetongtarn Shinawatra · politician · 1986 – present
- Abhisit Vejjajiva · politician · 1964 – present
- Ananda Mahidol · ruler · 1925 – 1946
- Prayut Chan-o-cha · politician · 1954 – present
and 11 more in the atlas.
2000 – 209911 rows · 1 wars and battles · 7 risings, regime changes and massacres
- Nakhon Ratchasima shootings · atrocity · 2020
- 2006 Thai coup d'état · adverse regime change · 2006
- 2014 Thai coup d'état · adverse regime change · 2014
- 2015 Bangkok bombing · atrocity · 2015
- COVID-19 pandemic in Thailand · plague · 2020
- Dipangkorn Rasmijoti · person · 2005 – present
- 2020–2021 Thai protests · unrest · 2020 – 2021
- 2010 Thai political protests · unrest · 2010
and 3 more in the atlas.
Among all states
Each measure against the states that carry it, never against all of them: a bar is the share of those states below this one.
- How long it stood94 years
stood longer than 45% of 3,187 states with a recorded end or still standing.
- The most ground it held523,900 km²
held more ground at its peak than 75% of 1,465 states with a border in Cliopatria.
- Wars recorded per century3.0
had more wars on record per century than 99% of 3,187 states, counting the wars the atlas hosts under each.
- How long a reign lasted, at the median11 years
had longer reigns, at the median, than 38% of 967 states whose dated line can carry a median.
- Rulers on record4
has more rulers on record than 58% of 1,968 states with a line of rulers.
What led to it, and what came of it
The investigation's own picture: 14 causes the record names and 0 results, the strongest six of each at their own years, joined to the state by the kind of claim - a recorded statement solid, the article's sentence dashed, a theory dash-dot.
Open the investigation: every row with its evidence, the conditions at the time, the theories condition by condition, and the succession analysed.
Open in the atlas
- On the timeline, 1922 – 2036, with everything that stood beside it.
- On the map in 1932, live: scrub the year and watch its borders move.
- Investigate it: what led to it, what came of it, and its succession analysed.
Wikidata Q869 (CC0) · borders Cliopatria, CC BY 4.0 · coast and rivers Natural Earth · symbols from Wikimedia Commons, each credited above · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.