Age composition in 2026:
| Lesotho | Papua New Guinea | |
|---|---|---|
| Young Population | 33.63%803,582 | 32.80%3,590,813 |
| Working Age Population | 62.47%1,492,536 | 63.48%6,949,906 |
| Elderly Population | 3.90%93,223 | 3.72%407,133 |
In 2026, the median age is 23.1 years in Lesotho and 24.0 years in Papua New Guinea.Papua New Guinea already reached Lesothoโs current median age in 2022, about 4 years ahead in population aging.
The total population of Lesotho peaks in 2083 at 3,313,001.The total population of Papua New Guinea is projected to keep growing until 2100, reaching 18,640,539.
By 2050, the dependency ratio of Lesotho will be 46.1%, and 5.91% of the population will be elderly.By 2050, the dependency ratio of Papua New Guinea will be 50.2%, and 7.35% of the population will be elderly.
| Lesotho | Papua New Guinea | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2035โ2080 | 2057โ2080 | |
| Aging society (65+ reaches 7%) | 2054 6 years later | 2048 | |
| Aged society (65+ reaches 14%) | 2084 | 2091 7 years later | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | Not reached by 2100 |