Deliberative Political Institutions Index in New Zealand
New Zealand: Deliberative Political Institutions Index was 0.724 in 2025. ▲ Rising
Latest (2025)
0.724
Change on year
down 9.0%
World rank
69th
of 175 countries
All-time high
0.871
in 2022
All-time low
0.538
in 1917
Years of data
126
1900–2025
Deliberative Political Institutions Index in New Zealand, 1900–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
New Zealand recorded 0.724 for deliberative political institutions index in 2025.
Compared with earlier readings it is down 9.0% on the previous year and down 14.9% over ten years.
Over the whole period, deliberative political institutions index in New Zealand peaked at 0.871 in 2022 and was at its lowest, 0.538, in 1917.
That places New Zealand 69th out of 175 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 126 years of available data.
Deliberative Political Institutions Index in New Zealand, year by year
| Year | Value | Change |
|---|---|---|
| 1900 | 0.68 | — |
| 1901 | 0.68 | +0.0% |
| 1902 | 0.68 | +0.0% |
| 1903 | 0.68 | +0.0% |
| 1904 | 0.68 | +0.0% |
| 1905 | 0.68 | +0.0% |
| 1906 | 0.68 | +0.0% |
| 1907 | 0.68 | +0.0% |
| 1908 | 0.68 | +0.0% |
| 1909 | 0.68 | +0.0% |
| 1910 | 0.68 | +0.0% |
| 1911 | 0.68 | +0.0% |
| 1912 | 0.68 | +0.0% |
| 1913 | 0.68 | +0.0% |
| 1914 | 0.615 | -9.6% |
| 1915 | 0.56 | -8.9% |
| 1916 | 0.56 | +0.0% |
| 1917 | 0.538 | -3.9% |
| 1918 | 0.538 | +0.0% |
| 1919 | 0.656 | +21.9% |
| 1920 | 0.685 | +4.4% |
| 1921 | 0.685 | +0.0% |
| 1922 | 0.685 | +0.0% |
| 1923 | 0.685 | +0.0% |
| 1924 | 0.685 | +0.0% |
| 1925 | 0.685 | +0.0% |
| 1926 | 0.685 | +0.0% |
| 1927 | 0.685 | +0.0% |
| 1928 | 0.685 | +0.0% |
| 1929 | 0.685 | +0.0% |
| 1930 | 0.685 | +0.0% |
| 1931 | 0.685 | +0.0% |
| 1932 | 0.685 | +0.0% |
| 1933 | 0.685 | +0.0% |
| 1934 | 0.685 | +0.0% |
| 1935 | 0.804 | +17.4% |
| 1936 | 0.804 | +0.0% |
| 1937 | 0.804 | +0.0% |
| 1938 | 0.804 | +0.0% |
| 1939 | 0.804 | +0.0% |
| 1940 | 0.694 | -13.7% |
| 1941 | 0.694 | +0.0% |
| 1942 | 0.694 | +0.0% |
| 1943 | 0.694 | +0.0% |
| 1944 | 0.694 | +0.0% |
| 1945 | 0.694 | +0.0% |
| 1946 | 0.831 | +19.7% |
| 1947 | 0.831 | +0.0% |
| 1948 | 0.828 | -0.4% |
| 1949 | 0.828 | +0.0% |
| 1950 | 0.779 | -5.9% |
| 1951 | 0.779 | +0.0% |
| 1952 | 0.779 | +0.0% |
| 1953 | 0.779 | +0.0% |
| 1954 | 0.779 | +0.0% |
| 1955 | 0.779 | +0.0% |
| 1956 | 0.779 | +0.0% |
| 1957 | 0.833 | +6.9% |
| 1958 | 0.833 | +0.0% |
| 1959 | 0.833 | +0.0% |
| 1960 | 0.833 | +0.0% |
| 1961 | 0.833 | +0.0% |
| 1962 | 0.833 | +0.0% |
| 1963 | 0.833 | +0.0% |
| 1964 | 0.833 | +0.0% |
| 1965 | 0.833 | +0.0% |
| 1966 | 0.833 | +0.0% |
| 1967 | 0.833 | +0.0% |
| 1968 | 0.833 | +0.0% |
| 1969 | 0.833 | +0.0% |
| 1970 | 0.833 | +0.0% |
| 1971 | 0.833 | +0.0% |
| 1972 | 0.851 | +2.2% |
| 1973 | 0.851 | +0.0% |
| 1974 | 0.851 | +0.0% |
| 1975 | 0.822 | -3.4% |
| 1976 | 0.748 | -9.0% |
| 1977 | 0.748 | +0.0% |
| 1978 | 0.748 | +0.0% |
| 1979 | 0.748 | +0.0% |
| 1980 | 0.748 | +0.0% |
| 1981 | 0.748 | +0.0% |
| 1982 | 0.748 | +0.0% |
| 1983 | 0.675 | -9.8% |
| 1984 | 0.638 | -5.5% |
| 1985 | 0.701 | +9.9% |
| 1986 | 0.701 | +0.0% |
| 1987 | 0.701 | +0.0% |
| 1988 | 0.701 | +0.0% |
| 1989 | 0.701 | +0.0% |
| 1990 | 0.701 | +0.0% |
| 1991 | 0.701 | +0.0% |
| 1992 | 0.701 | +0.0% |
| 1993 | 0.701 | +0.0% |
| 1994 | 0.801 | +14.3% |
| 1995 | 0.801 | +0.0% |
| 1996 | 0.801 | +0.0% |
| 1997 | 0.809 | +1.0% |
| 1998 | 0.809 | +0.0% |
| 1999 | 0.844 | +4.3% |
| 2000 | 0.86 | +1.9% |
| 2001 | 0.86 | +0.0% |
| 2002 | 0.86 | +0.0% |
| 2003 | 0.86 | +0.0% |
| 2004 | 0.86 | +0.0% |
| 2005 | 0.86 | +0.0% |
| 2006 | 0.86 | +0.0% |
| 2007 | 0.86 | +0.0% |
| 2008 | 0.862 | +0.2% |
| 2009 | 0.851 | -1.3% |
| 2010 | 0.851 | +0.0% |
| 2011 | 0.851 | +0.0% |
| 2012 | 0.851 | +0.0% |
| 2013 | 0.851 | +0.0% |
| 2014 | 0.851 | +0.0% |
| 2015 | 0.851 | +0.0% |
| 2016 | 0.851 | +0.0% |
| 2017 | 0.851 | +0.0% |
| 2018 | 0.848 | -0.4% |
| 2019 | 0.84 | -0.9% |
| 2020 | 0.846 | +0.7% |
| 2021 | 0.837 | -1.1% |
| 2022 | 0.871 | +4.1% |
| 2023 | 0.835 | -4.1% |
| 2024 | 0.796 | -4.7% |
| 2025 | 0.724 | -9.0% |
New Zealand compared with similar countries
- New Zealand's 0.724 is below the median for high income countries, which is 0.833, 87% of the median. (55 countries reporting)
- New Zealand's 0.724 is above the median for East Asia & Pacific, which is 0.5985, 1.2× the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 0.68 | 0.68 | 0.68 | 10 |
| 1910s | 0.6187 | 0.538 | 0.68 | 10 |
| 1920s | 0.685 | 0.685 | 0.685 | 10 |
| 1930s | 0.7445 | 0.685 | 0.804 | 10 |
| 1940s | 0.7482 | 0.694 | 0.831 | 10 |
| 1950s | 0.7952 | 0.779 | 0.833 | 10 |
| 1960s | 0.833 | 0.833 | 0.833 | 10 |
| 1970s | 0.8033 | 0.748 | 0.851 | 10 |
| 1980s | 0.7062 | 0.638 | 0.748 | 10 |
| 1990s | 0.7669 | 0.701 | 0.844 | 10 |
| 2000s | 0.8593 | 0.851 | 0.862 | 10 |
| 2010s | 0.8496 | 0.84 | 0.851 | 10 |
| 2020s | 0.8182 | 0.724 | 0.871 | 6 |
Countries ranked near New Zealand
More reference data data for New Zealand
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.4532 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 9.92 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 10.93 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0459 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 10.93 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.52 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.53 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 42.17 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 47.53 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.2499 (2050)
Frequently asked questions
- What is deliberative political institutions index in New Zealand?
- Deliberative political institutions index in New Zealand was 0.724 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest deliberative political institutions index recorded in New Zealand?
- The highest recorded value was 0.871 in 2022.
- What is the lowest deliberative political institutions index recorded in New Zealand?
- The lowest recorded value was 0.538 in 1917.
- How does New Zealand rank for deliberative political institutions index?
- New Zealand ranks 69th out of 175 countries with data for 2025.
- Is deliberative political institutions index rising or falling in New Zealand?
- Over the last ten years it is down 14.9%. The long-run trend across the full record is rising.
- 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 Deliberative Political Institutions Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Central estimate of the extent to which political elites justify their positions, justify them with the common good, acknowledge counterarguments, consult elites in policy changes, and society deliberates policy changes.