Statizoid

Sovereign state in Japan

Japan: Sovereign state was 1 in 2025. ▬ Flat

Latest (2025)
1
Change on year
unchanged
World rank
1st
of 194 countries
All-time high
1
in 1816
All-time low
1
in 1816
Years of data
210
1816–2025

Sovereign state in Japan, 1816–2025

00.20.40.60.81181619202025

Source: Gleditsch and Ward (2007) – with minor processing by Our World in Data.

Analysis

Japan recorded 1 for sovereign state in 2025. That is the highest value across all 210 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, sovereign state in Japan peaked at 1 in 1816 and was at its lowest, 1, in 1816.

That places Japan 1st out of 194 countries with data for 2025, putting it in the top 10%.

Averages by decade

DecadeAverage LowestHighest Years
1810s 1 1 1 4
1820s 1 1 1 10
1830s 1 1 1 10
1840s 1 1 1 10
1850s 1 1 1 10
1860s 1 1 1 10
1870s 1 1 1 10
1880s 1 1 1 10
1890s 1 1 1 10
1900s 1 1 1 10
1910s 1 1 1 10
1920s 1 1 1 10
1930s 1 1 1 10
1940s 1 1 1 10
1950s 1 1 1 10
1960s 1 1 1 10
1970s 1 1 1 10
1980s 1 1 1 10
1990s 1 1 1 10
2000s 1 1 1 10
2010s 1 1 1 10
2020s 1 1 1 6

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See the full ranking of 194 places →

More social development data for Japan

All data for Japan →

Frequently asked questions

What is sovereign state in Japan?
Sovereign state in Japan was 1 in 2025, according to Gleditsch and Ward (2007) – with minor processing by Our World in Data.
What is the highest sovereign state recorded in Japan?
The highest recorded value was 1 in 1816.
What is the lowest sovereign state recorded in Japan?
The lowest recorded value was 1 in 1816.
How does Japan rank for sovereign state?
Japan ranks 1st out of 194 countries with data for 2025.
Is sovereign state rising or falling in Japan?
Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this Japan data come from?
The figures come from Gleditsch and Ward (2007) – with minor processing by Our World in Data, published as part of Sovereign state. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 210 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Sovereign state
Source
Gleditsch and Ward (2007) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 40,740 data points, 1816–2025
Last refreshed

The country is identified as a sovereign state by Gleditsch and Ward dataset.