Age composition in 2026:
| Kiribati | Guam | |
|---|---|---|
| Young Population | 33.96%47,018 | 25.69%43,720 |
| Working Age Population | 61.50%85,148 | 60.71%103,336 |
| Elderly Population | 4.54%6,290 | 13.60%23,143 |
In 2026, the median age is 24.0 years in Kiribati and 32.6 years in Guam.Guam already reached Kiribatiโs current median age in 1953, about 73 years ahead in population aging.
The total population of Kiribati peaks in 2099 at 222,652.The total population of Guam peaks in 2091 at 206,970.
By 2050, the dependency ratio of Kiribati will be 53.5%, and 7.44% of the population will be elderly.By 2050, the dependency ratio of Guam will be 66.0%, and 18.50% of the population will be elderly.
| Kiribati | Guam | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | None between 1950 and 2100 | 1950โ1953 | |
| Aging society (65+ reaches 7%) | 1950 or earlier | 2012 | |
| Aged society (65+ reaches 14%) | 2090 63 years later | 2027 | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | 2069 |