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Median age in Samoa

The median age in Samoa is 19.8 years (2024): half the population is older, half younger. That is 10.8 years younger than the world median of 30.6, and makes Samoa the 155th oldest of 193 countries.

Key numbers

Median age
19.8 yrs
2024
vs world
-10.8 yrs
world 30.6
Oldest rank
155 of 193
1 = oldest
Youngest rank
39 of 193
1 = youngest
Life expectancy
71.7 yrs
at birth, 2023

Samoa among its neighbours

Ranking neighbours (three on each side) plus every Oceania country in our data, youngest first
#CountryMedian agevs worldRegion
36Sierra Leone19.5-11.1Africa
37Rwanda19.7-10.9Africa
38Kenya19.8-10.8Africa
39Samoa19.8-10.8Oceania
40Palestine19.9-10.7Asia
41Vanuatu20.2-10.4Oceania
42Pakistan20.4-10.2Asia
44Solomon Islands20.5-10.1Oceania
46Tonga20.7-9.9Oceania
55Papua New Guinea22.6-8.0Oceania
56Kiribati22.8-7.8Oceania
59Micronesia23.1-7.5Oceania
82Fiji27.9-2.7Oceania
104Guam31.3+0.7Oceania
122New Caledonia34.2+3.6Oceania
129French Polynesia35.4+4.8Oceania
140New Zealand37.5+6.9Oceania
141Australia38.0+7.4Oceania

In plain language

Line up everyone in Samoa by age. The person in the middle is 19.8. That is the median: it says nothing about how old the oldest are or how many babies were born last year, only where the midpoint falls.

A median of 19.8 is younger than the world's 30.6. For scale, the youngest country here, Central African Republic, has a median of 14.4 and the oldest, Japan, 49.4. Life expectancy at birth in Samoa is 71.7 years, so a person at the median age has, on a rough reckoning, about 51.9 years ahead of them.

The 2024figure is the UN's medium-variant number; its estimates end in 2023. For a year this close the projection barely differs from an estimate, since everyone counted has already been born.

Questions

What is the median age in Samoa?
19.8 years in 2024, by the UN World Population Prospects 2024. Half of the people in Samoa are younger than 19.8 and half are older. The median is not the average age; it is the midpoint, so a handful of very old people do not move it.
Is Samoa's population young or old?
Young. Samoa is 10.8 years below the world median of 30.6, and ranks 155th oldest of the 193 countries here. The youngest country, Central African Republic, has a median of 14.4; the oldest, Japan, 49.4.
How does Samoa compare to Kenya?
Kenya has a median age of 19.8, 0.0 years older than Samoa. The two sit next to each other in the ranking, at 39th and 38th youngest.

Source: United Nations, World Population Prospects 2024, median age in 2024 (medium variant), via Our World in Data (fetched 2026-10-26).

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