Countries with the Most Aging Populations (2026) (2025)
Source: World Bank·25 countries·Updated 2025
Population aging is one of the defining demographic trends. {#1} has the highest old-age dependency at {#1_value}%.
Monaco leads with old-age dependency ratio (%) of 71.7%.
Japan ranks #2 at 51.0%.
Portugal ranks #3 at 40.0%.
Puerto Rico (US) ranks #4 at 39.8%.
Italy ranks #5 at 39.7%.
Top 25 Countries by Old-Age Dependency Ratio (%)
| # | Country | Old-Age Dependency Ratio (%) | Year |
|---|---|---|---|
| 1 |  Monaco | 71.7% | 2025 |
| 2 |  Japan | 51.0% | 2025 |
| 3 |  Portugal | 40.0% | 2025 |
| 4 |  Puerto Rico (US) | 39.8% | 2025 |
| 5 |  Italy | 39.7% | 2025 |
| 6 |  Finland | 39.4% | 2025 |
| 7 |  Greece | 38.9% | 2025 |
| 8 |  Virgin Islands (U.S.) | 38.3% | 2025 |
| 9 |  Germany | 38.0% | 2025 |
| 10 |  Isle of Man | 37.8% | 2025 |
| 11 |  Croatia | 37.7% | 2025 |
| 12 |  France | 36.8% | 2025 |
| 13 |  Serbia | 36.8% | 2025 |
| 14 |  Hong Kong SAR, China | 35.8% | 2025 |
| 15 |  San Marino | 35.6% | 2025 |
| 16 |  Bosnia and Herzegovina | 35.6% | 2025 |
| 17 |  Latvia | 35.4% | 2025 |
| 18 |  Bermuda | 35.3% | 2025 |
| 19 |  Bulgaria | 35.1% | 2025 |
| 20 |  Slovenia | 35.1% | 2025 |
| 21 |  Estonia | 34.6% | 2025 |
| 22 |  Sweden | 33.5% | 2025 |
| 23 |  Denmark | 33.4% | 2025 |
| 24 |  Czechia | 33.2% | 2025 |
| 25 |  Liechtenstein | 33.2% | 2025 |
Data from 217 countries is available. View full rankings →
FAQ
What is the highest old-age dependency ratio (%) in 2025?
Monaco has the highest old-age dependency ratio (%) at 71.7% in 2025.
How many countries are included in this ranking?
This article features the top 25 countries out of 217 with available data. Full rankings available on the indicator page.
Where does this data come from?
Data is sourced from the World Bank. It is updated regularly as new releases become available.