Age composition in 2026:
| Réunion | New Zealand | |
|---|---|---|
| Young Population | 20.15%178,632 | 17.64%932,555 |
| Working Age Population | 62.99%558,304 | 64.32%3,401,015 |
| Elderly Population | 16.85%149,358 | 18.04%953,907 |
In 2026, the median age is 39.4 years in Réunion and 39.0 years in New Zealand.Réunion already reached New Zealand’s current median age in 2025, about 1 years ahead in population aging.
The total population of Réunion peaks in 2049 at 941,556.The total population of New Zealand peaks in 2078 at 5,867,364.
By 2050, the dependency ratio of Réunion will be 79.5%, and 26.73% of the population will be elderly.By 2050, the dependency ratio of New Zealand will be 64.6%, and 24.02% of the population will be elderly.
| Réunion | New Zealand | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2002–2003 | None between 1950 and 2100 | |
| Aging society (65+ reaches 7%) | 2000 | 1950 or earlier | |
| Aged society (65+ reaches 14%) | 2022 9 years later | 2013 | |
| Super-aged society (65+ reaches 20%) | 2031 | 2031 |