Centralization of Political Power Index in New Zealand
New Zealand: Centralization of Political Power Index was 0.02 in 2025. ◆ Volatile
Centralization of Political Power Index in New Zealand, 1841–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
The most recent figure for centralization of political power index in New Zealand is 0.02, measured in 2025.
The figure is up 11.1% on the previous year and unchanged over ten years.
Over the whole period, centralization of political power index in New Zealand peaked at 0.214 in 1841 and was at its lowest, 0.018, in 2024.
That places New Zealand 170th out of 173 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1840s | 0.214 | 0.214 | 0.214 | 9 |
| 1850s | 0.1237 | 0.085 | 0.214 | 10 |
| 1860s | 0.085 | 0.085 | 0.085 | 10 |
| 1870s | 0.085 | 0.085 | 0.085 | 10 |
| 1880s | 0.0849 | 0.084 | 0.085 | 10 |
| 1890s | 0.084 | 0.084 | 0.084 | 10 |
| 1900s | 0.083 | 0.083 | 0.083 | 10 |
| 1910s | 0.083 | 0.083 | 0.083 | 10 |
| 1920s | 0.083 | 0.083 | 0.083 | 10 |
| 1930s | 0.08 | 0.077 | 0.083 | 10 |
| 1940s | 0.077 | 0.077 | 0.077 | 10 |
| 1950s | 0.077 | 0.077 | 0.077 | 10 |
| 1960s | 0.0644 | 0.063 | 0.07 | 10 |
| 1970s | 0.061 | 0.058 | 0.063 | 10 |
| 1980s | 0.0438 | 0.025 | 0.058 | 10 |
| 1990s | 0.0235 | 0.021 | 0.025 | 10 |
| 2000s | 0.021 | 0.021 | 0.021 | 10 |
| 2010s | 0.02 | 0.019 | 0.022 | 10 |
| 2020s | 0.0195 | 0.018 | 0.022 | 6 |
Countries ranked near New Zealand
More reference data data for New Zealand
- Spring temperature anomalies 0.2008 °C (2026)
- Summer temperature anomalies 1.76 °C (2026)
- Temperature anomalies by month 0.0464 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.5251 °C (2025)
- Winter temperature anomalies 0.5536 °C (2025)
- Consumer price index 144.86 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is centralization of political power index in New Zealand?
- Centralization of political power index in New Zealand was 0.02 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest centralization of political power index recorded in New Zealand?
- The highest recorded value was 0.214 in 1841.
- What is the lowest centralization of political power index recorded in New Zealand?
- The lowest recorded value was 0.018 in 2024.
- How does New Zealand rank for centralization of political power index?
- New Zealand ranks 170th out of 173 countries with data for 2025.
- Is centralization of political power index rising or falling in New Zealand?
- Over the last ten years it is unchanged. The long-run trend across the full record is volatile.
- Where does this New Zealand data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Centralization of Political Power Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 185 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Central estimate of the extent to which the executive is unconstrained by the legislature, judiciary, electoral management body, and other oversight.