Japan vs Portugal: Liberal democracy index
Japan
0.734
in 2025
Portugal
0.717
in 2025
Japan rank
24th
Portugal rank
26th
Liberal democracy index over time
- Japan
- Portugal
How they compare
Japan currently reports 0.734 against 0.717 in Portugal, a difference of 0.017.
The two have swapped places 3 times across 193 shared years of data; in 1833 it was Portugal ahead.
Japan ranks 24th and Portugal ranks 26th of 176 countries.
Across the 20 decades both report, Japan averaged higher in 9 and Portugal in 11.
Head to head by decade
| Decade | Japan | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1830s | 0.016 | 0.0861 | 0.0701 | Portugal |
| 1840s | 0.016 | 0.095 | 0.079 | Portugal |
| 1850s | 0.0178 | 0.1321 | 0.1143 | Portugal |
| 1860s | 0.0211 | 0.1433 | 0.1222 | Portugal |
| 1870s | 0.0937 | 0.1443 | 0.0506 | Portugal |
| 1880s | 0.1092 | 0.1473 | 0.0381 | Portugal |
| 1890s | 0.1796 | 0.145 | 0.0346 | Japan |
| 1900s | 0.1965 | 0.1394 | 0.0571 | Japan |
| 1910s | 0.2015 | 0.1698 | 0.0317 | Japan |
| 1920s | 0.21 | 0.1381 | 0.0719 | Japan |
| 1930s | 0.2044 | 0.0733 | 0.1311 | Japan |
| 1940s | 0.2457 | 0.072 | 0.1737 | Japan |
| 1950s | 0.637 | 0.073 | 0.564 | Japan |
| 1960s | 0.7499 | 0.0742 | 0.6757 | Japan |
| 1970s | 0.7505 | 0.3273 | 0.4232 | Japan |
| 1980s | 0.7521 | 0.7992 | 0.0471 | Portugal |
| 1990s | 0.7567 | 0.8096 | 0.0529 | Portugal |
| 2000s | 0.7674 | 0.8282 | 0.0608 | Portugal |
| 2010s | 0.7542 | 0.8331 | 0.0789 | Portugal |
| 2020s | 0.7387 | 0.767 | 0.0283 | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher liberal democracy index, Japan or Portugal?
- Japan, at 0.734 against 0.717 in Portugal as of 2025.
- What is the difference in liberal democracy index between Japan and Portugal?
- 0.017, with Japan ahead.
- How many years of comparable data are there for Japan and Portugal?
- 193 years are reported by both, from 1833 to 2025.
- How do Japan and Portugal rank globally for liberal democracy index?
- Japan ranks 24th and Portugal ranks 26th of 176 countries.
- Where does this data come from?
- Our World in Data, published as Liberal democracy index. Statizoid refreshes it automatically from the source and publishes the full history for both places.