Age composition in 2026:
| Saint Lucia | Costa Rica | |
|---|---|---|
| Young Population | 17.07%30,805 | 17.83%922,831 |
| Working Age Population | 72.59%131,019 | 68.87%3,563,963 |
| Elderly Population | 10.34%18,672 | 13.29%687,987 |
In 2026, the median age is 36.1 years in Saint Lucia and 36.7 years in Costa Rica.Costa Rica already reached Saint Luciaโs current median age in 2025, about 1 years ahead in population aging.
The total population of Saint Lucia peaks in 2032 at 181,503.The total population of Costa Rica peaks in 2044 at 5,381,723.
By 2050, the dependency ratio of Saint Lucia will be 50.2%, and 20.40% 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.
| Saint Lucia | Costa Rica | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2008โ2049 | 2007โ2039 | |
| Aging society (65+ reaches 7%) | 2009 | 2009 | |
| Aged society (65+ reaches 14%) | 2035 7 years later | 2028 | |
| Super-aged society (65+ reaches 20%) | 2050 10 years later | 2040 |