IDA only vs Least developed countries: Population ages 65 and above, total
IDA only
53.10 million
in 2025
Least developed countries
46.89 million
in 2025
IDA only rank
25th
Least developed countries rank
26th
Population ages 65 and above, total over time
- IDA only
- Least developed countries
How they compare
IDA only currently reports 53.10 million against 46.89 million in Least developed countries, a difference of 6.21 million.
That makes IDA only's figure about 1.1 times Least developed countries's.
Across all 66 years both countries report, IDA only has been ahead every year.
IDA only ranks 25th and Least developed countries ranks 26th of 45 groups.
IDA only has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | IDA only | Least developed countries | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 9.48 million | 8.29 million | 1.19 million | IDA only |
| 1970s | 12.46 million | 11.01 million | 1.45 million | IDA only |
| 1980s | 16.54 million | 14.64 million | 1.90 million | IDA only |
| 1990s | 21.14 million | 18.56 million | 2.58 million | IDA only |
| 2000s | 27.19 million | 23.85 million | 3.34 million | IDA only |
| 2010s | 36.76 million | 32.49 million | 4.27 million | IDA only |
| 2020s | 48.54 million | 42.89 million | 5.65 million | IDA only |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population ages 65 and above, total, IDA only or Least developed countries?
- IDA only, at 53.10 million against 46.89 million in Least developed countries as of 2025.
- What is the difference in population ages 65 and above, total between IDA only and Least developed countries?
- 6.21 million, with IDA only ahead.
- How many years of comparable data are there for IDA only and Least developed countries?
- 66 years are reported by both, from 1960 to 2025.
- How do IDA only and Least developed countries rank globally for population ages 65 and above, total?
- IDA only ranks 25th and Least developed countries ranks 26th of 45 groups.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Population ages 65 and above, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total population 65 years of age or older. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.