Age composition in 2026:
| Iceland | Costa Rica | |
|---|---|---|
| Young Population | 17.31%69,657 | 17.83%922,831 |
| Working Age Population | 66.39%267,125 | 68.87%3,563,963 |
| Elderly Population | 16.29%65,550 | 13.29%687,987 |
In 2026, the median age is 37.6 years in Iceland and 36.7 years in Costa Rica.Iceland already reached Costa Ricaโs current median age in 2021, about 5 years ahead in population aging.
The total population of Iceland peaks in 2049 at 432,999.The total population of Costa Rica peaks in 2044 at 5,381,723.
By 2050, the dependency ratio of Iceland will be 60.2%, and 23.94% of the population will be elderly.By 2050, the dependency ratio of Costa Rica will be 61.0%, and 25.28% of the population will be elderly.
| Iceland | Costa Rica | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2006โ2011 2018โ2020 |
2007โ2039 | |
| Aging society (65+ reaches 7%) | 1950 or earlier | 2009 | |
| Aged society (65+ reaches 14%) | 2017 | 2028 11 years later | |
| Super-aged society (65+ reaches 20%) | 2038 | 2040 2 years later |