Ranked: Countries With the Highest Share of Seniors

Pallavi Rao
2025-06-21 10:31:00
www.visualcapitalist.com

See this visualization first on the Voronoi app.

Ranked: Countries With the Highest Share of Seniors

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Key Takeaways

With nearly 37 million people aged 65+, Japan has the second-highest share of seniors (30%) in the world.
In fact, Japan has the fourth-most seniors overall (after China, India, and the U.S.)
The latter three don’t appear in this list since their older adult population share is still below 20%.
Meanwhile, Italy, Germany, France all have over 20% of their populations aged 65+, signaling Europe’s broader trends.

Much of the Western, industrialized world is worrying about falling birth rates and aging societies.

While reaching 65 is still a privilege in most parts of the world, social security and welfare systems typically rely on a growing working-age population to support dependent groups (children and seniors).

When this balance shifts due to aging populations, countries face increased pressure on healthcare, pension systems, and economic productivity.

This visualization ranks countries by the share of their population aged 65 and over, along with their total numbers. The figures are estimates for 2025, made under the medium variant projection in the UN World Population Prospects (2024).

Ranked: Countries With the Most Seniors

Monaco has the highest share of older adults in its population, at 37%.

However, second-place Japan stands out with 30% of its population aged 65+, totaling nearly 37 million people.

On top of ranking second by percentage, it’s fourth by total senior population (after China, India and the U.S.).

Rank	Country	Share of Population, 65+ (2025)	65+ Population (2025)	Total Population (2025)
1	Monaco	36.8%	14.0K	38K
2	Japan	30.0%	36.9M	123.1M
3	Martinique	26.5%	90.0K	340K
4	Puerto Rico	25.3%	818.0K	3.2M
5	Italy	25.1%	14.8M	59.1M
6	Montserrat	25.0%	1.0K	4K
7	Portugal	24.9%	2.6M	10.4M
8	Guadeloupe	24.6%	92.0K	374K
9	Greece	24.4%	2.4M	9.9M
10	Finland	24.2%	1.4M	5.6M
11	Isle of Man	23.8%	20.0K	84K
12	Germany	23.7%	19.9M	84.1M
13	Hong Kong	23.7%	1.8M	7.4M
14	Croatia	23.6%	909.0K	3.8M
15	San Marino	23.5%	8.0K	34K
16	Bermuda	23.1%	15.0K	65K
17	Serbia	23.1%	1.5M	6.7M
18	Bosnia & Herzegovina	22.9%	718.0K	3.1M
19	U.S. Virgin Islands	22.6%	19.0K	84K
20	France	22.5%	15.0M	66.7M
21	Liechtenstein	22.5%	9.0K	40K
22	Bulgaria	22.2%	1.5M	6.7M
23	Slovenia	22.2%	470.0K	2.1M
24	Latvia	22.2%	411.0K	1.9M
25	Guernsey	21.9%	14.0K	64K
26	Estonia	21.8%	293.0K	1.3M
27	Spain	21.6%	10.4M	47.9M
28	Czechia	21.2%	2.2M	10.6M
29	Hungary	21.2%	2.0M	9.6M
30	Denmark	21.1%	1.3M	6.0M
31	Austria	21.1%	1.9M	9.1M
32	Belgium	21.0%	2.5M	11.8M
33	Sweden	20.9%	2.2M	10.7M
34	Netherlands	20.9%	3.8M	18.3M
35	Poland	20.8%	7.9M	38.1M
36	Lithuania	20.7%	586.0K	2.8M

Japan’s demographic profile has long raised concerns over labor shortages and economic growth. Policymakers are responding with automation and immigration strategies to adapt.

Japan has been under the spotlight for its aging society, but it’s not the only one with a growing senior demographic. In fact, many European nations are also seeing a significant uptick in older adults.

Europe: The Oldest Content by Median Age

Of the 36 countries on this list, 28 are in Europe. They include Italy (25.1%), Germany (23.7%), and France (22.4%), all major European economic powerhouses.

This growing population of older adults reflects Europe’s low birth rates and increasing life expectancy. With a median age of 44, Europe faces unique challenges in sustaining its welfare and pension systems.

For example, many European countries already have some of the highest tax-to-GDP ratios, leaving little room for increased taxation to create more revenue room.

This demographic shift is also influencing political and economic priorities across the continent, including unrest over increasing retirement ages.

Small Territories, Big Senior Shares

Smaller territories like Monaco (36.8%), Martinique (26.5%), and Montserrat (25.0%) have disproportionately high senior shares.

These places often attract retirees or have low birth rates, skewing their demographic makeup.

While their overall populations are small, their needs for senior-focused healthcare and services are growing fast, which may force governments to shift priorities away from education, or other services for younger demographics.

Learn More on the Voronoi App

If you enjoyed today’s post, check out Ranked: Cities With the Largest Working-Age Populations on Voronoi, the new app from Visual Capitalist.

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