Age composition in 2026:
🇷🇪 Réunion
🇹🇿 United Republic of Tanzania
| Réunion | United Republic of Tanzania | |
|---|---|---|
| Young Population | 20.15%178,632 | 42.15%30,584,404 |
| Working Age Population | 62.99%558,304 | 54.82%39,776,409 |
| Elderly Population | 16.85%149,358 | 3.04%2,202,965 |
In 2026, the median age is 39.4 years in Réunion and 18.6 years in United Republic of Tanzania.Réunion already reached United Republic of Tanzania’s current median age in 1950, about 76 years ahead in population aging.
The total population of Réunion peaks in 2049 at 941,556.The total population of United Republic of Tanzania is projected to keep growing until 2100, reaching 262,834,719.
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 United Republic of Tanzania will be 64.6%, and 4.45% of the population will be elderly.
| Réunion | United Republic of Tanzania | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2002–2003 | None between 1950 and 2100 | |
| Aging society (65+ reaches 7%) | 2000 | 2070 70 years later | |
| Aged society (65+ reaches 14%) | 2022 | Not reached by 2100 | |
| Super-aged society (65+ reaches 20%) | 2031 | Not reached by 2100 |