Age composition in 2026:
| Papua New Guinea | Fiji | |
|---|---|---|
| Young Population | 32.80%3,590,813 | 26.57%249,029 |
| Working Age Population | 63.48%6,949,906 | 66.64%624,649 |
| Elderly Population | 3.72%407,133 | 6.79%63,605 |
In 2026, the median age is 24.0 years in Papua New Guinea and 29.3 years in Fiji.Fiji already reached Papua New Guineaโs current median age in 2006, about 20 years ahead in population aging.
The total population of Papua New Guinea is projected to keep growing until 2100, reaching 18,640,539.The total population of Fiji peaks in 2054 at 1,001,664.
By 2050, the dependency ratio of Papua New Guinea will be 50.2%, and 7.35% of the population will be elderly.By 2050, the dependency ratio of Fiji will be 47.5%, and 10.59% of the population will be elderly.
| Papua New Guinea | Fiji | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2057โ2080 | 2027โ2071 | |
| Aging society (65+ reaches 7%) | 2048 20 years later | 2028 | |
| Aged society (65+ reaches 14%) | 2091 23 years later | 2068 | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | 2093 |