Age composition in 2026:
| French Guiana | Argentina | |
|---|---|---|
| Young Population | 30.85%98,366 | 20.42%9,394,458 |
| Working Age Population | 61.66%196,637 | 66.73%30,697,753 |
| Elderly Population | 7.49%23,878 | 12.85%5,911,521 |
In 2026, the median age is 25.9 years in French Guiana and 34.3 years in Argentina.Argentina already reached French Guianaโs current median age in 1954, about 72 years ahead in population aging.
The total population of French Guiana is projected to keep growing until 2100, reaching 775,240.The total population of Argentina peaks in 2050 at 48,308,945.
By 2050, the dependency ratio of French Guiana will be 63.7%, and 12.27% of the population will be elderly.By 2050, the dependency ratio of Argentina will be 54.8%, and 19.95% of the population will be elderly.
| French Guiana | Argentina | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | None between 1950 and 2100 | 2026โ2043 | |
| Aging society (65+ reaches 7%) | 1950 or earlier | 1974 | |
| Aged society (65+ reaches 14%) | 2072 40 years later | 2032 | |
| Super-aged society (65+ reaches 20%) | 2096 45 years later | 2051 |