Land
Size, shape and altitude
How big is it, really?
Tonga fits inside Samoa 3.8 times.
Samoa: 2,840 km² (2023) · Tonga: 750 km² (2023)
How much coast is there?
Tonga’s coastline is 4% longer than Samoa’s.
Samoa: 403 km (2026 edition) · Tonga: 419 km (2026 edition)
How high can you climb?
Samoa’s highest peak towers 811 m above Tonga’s.
Samoa: 1,857 m (2026 edition) · Tonga: 1,046 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Samoa has 2.1 times as many people as Tonga.
Samoa: 219,306 (2025) · Tonga: 103,742 (2025)
How crowded is it?
Tonga is 83% more densely populated than Samoa.
Samoa: 79 per km² (2025) · Tonga: 144 per km² (2025)
How tall are the men?
Tonga and Samoa are practically level.
Samoa: 174.4 cm (2019) · Tonga: 175.1 cm (2019)
How tall are the women?
Women in Tonga are 2.3 cm taller than in Samoa.
Samoa: 163.8 cm (2019) · Tonga: 166.1 cm (2019)
How old is the typical person?
The typical person in Tonga is 0.79 years older than in Samoa.
Samoa: 19.9 years (2023) · Tonga: 20.7 years (2023)
How many children per woman?
Women in Samoa have 0.7 more children on average than in Tonga.
Samoa: 3.8 children per woman (2024) · Tonga: 3.1 children per woman (2024)
How many people are 65 or older?
6.9% of people in Tonga are 65 or older, versus 6.1% in Samoa.
Samoa: 6.1% (2025) · Tonga: 6.9% (2025)
How many official languages?
Samoa and Tonga are practically level.
Samoa: 2 (2026) · Tonga: 2 (2026)
Money
What an economy looks like per person
How big is the economy?
Samoa’s economy is 90% larger than Tonga’s.
Samoa: $1.29 billion (2025) · Tonga: $679 million (2025)
How much is produced per person?
Samoa produces 7% more per person than Tonga.
Samoa: Int$9,319 (2025) · Tonga: Int$8,675 (2025)
How evenly is income shared?
Samoa: no data · Tonga: 27.1 (2021)
How many people are looking for work?
Unemployment is 5.0% in Samoa, versus 2.0% in Tonga.
Samoa: 5% (2025) · Tonga: 2% (2025)
How expensive is it?
Tonga’s price level (US = 100) is 1.2× Samoa’s.
Samoa: 63% (2025) · Tonga: 75% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Tonga spends 22% more on health per person than Samoa.
Samoa: $293 (2023) · Tonga: $358 (2023)
How long do people live?
People in Tonga live 1.2 years longer than in Samoa.
Samoa: 71.8 years (2024) · Tonga: 73.1 years (2024)
How many babies don’t reach their first birthday?
A baby in Samoa is 58% more likely to die before turning one than in Tonga.
Samoa: 12.3 per 1,000 (2024) · Tonga: 7.8 per 1,000 (2024)
How many doctors are there?
Tonga has 81% more doctors per person than Samoa.
Samoa: 0.6 per 1,000 (2021) · Tonga: 1 per 1,000 (2021)
How common is obesity?
72% of adults in Tonga are obese, versus 63% in Samoa.
Samoa: 63.2% (2024) · Tonga: 72.3% (2024)
How many adults smoke?
32% of adults in Tonga smoke, versus 23% in Samoa.
Samoa: 23.1% (2024) · Tonga: 32.1% (2024)
Everyday life
Plates, glasses and happiness
How much do people drink?
Adults in Samoa drink 15 times as much alcohol as in Tonga.
Samoa: 2.9 litres (2023) · Tonga: 0.2 litres (2023)
How much meat is on the menu?
Tonga has 44% more meat per person than Samoa.
Samoa: 109 kg (2023) · Tonga: 156.9 kg (2023)
How much food is there per day?
Samoa has 58 kcal more food per person per day than Tonga.
Samoa: 3,116 kcal (2023) · Tonga: 3,059 kcal (2023)
How long do people go to school?
Adults in Samoa went to school 0.42 years longer than in Tonga.
Samoa: 11.3 years (2023) · Tonga: 10.9 years (2023)
How many tourists visit?
Samoa welcomed 31% more tourists per resident than Tonga (2019).
Samoa: 0.23 (2022) · Tonga: 0.18 (2022)
Connected
Online, electrified, urban
How many people are online?
67% of people in Tonga are online, versus 21% in Samoa.
Samoa: 21% (2014) · Tonga: 67% (2024)
Who has electricity at home?
Samoa and Tonga are practically level.
Samoa: 100% (2024) · Tonga: 100% (2024)
How many live in cities?
21% of people in Tonga live in cities, versus 18% in Samoa.
Samoa: 18% (2025) · Tonga: 21% (2025)
How many phones per person?
Samoa has 62 mobile subscriptions per 100 people, Tonga 62.
Samoa: 62 (2022) · Tonga: 62 (2022)
How much do they fly?
Samoa: 0.19 (2023) · Tonga: no data
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 58% of Samoa, but only 12% of Tonga.
Samoa: 57.6% (2023) · Tonga: 12.4% (2023)
How much CO₂ does each person emit?
The average person in Tonga emits 30% more CO₂ than someone in Samoa.
Samoa: 1.1 t (2024) · Tonga: 1.5 t (2024)
How green is the power grid?
44% of Samoa’s electricity is renewable, versus 14% in Tonga.
Samoa: 43.8% (2024) · Tonga: 14.3% (2024)
How clean is the air?
The air in Samoa carries 8% more fine dust than in Tonga.
Samoa: 4.1 µg/m³ (2024) · Tonga: 3.8 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 6.6 times as likely to be murdered in Samoa as in Tonga.
Samoa: 6.3 per 100k (2018) · Tonga: 0.9 per 100k (2019)
How dangerous are the roads?
Roads in Samoa are 13% deadlier than in Tonga.
Samoa: 9.6 per 100k (2021) · Tonga: 8.5 per 100k (2021)
Climate
What the year feels like
How warm is it?
Samoa: 25.5°C (2016–2025 avg) · Tonga: no data
How much rain falls?
Samoa: 3,005 mm (2016–2025 avg) · Tonga: no data
Quick answers
Is Samoa bigger than Tonga?
Samoa is larger. Tonga fits inside Samoa 3.8 times.
Which has more people, Samoa or Tonga?
Samoa has 2.1 times as many people as Tonga (2025 estimates).
Where do people live longer, Samoa or Tonga?
People in Tonga live 1.2 years longer than in Samoa. Life expectancy at birth is 71.8 years in Samoa and 73.1 in Tonga.
Are people taller in Samoa or Tonga?
Tonga and Samoa are practically level (NCD-RisC, cohort born 2019).