Land
Size, shape and altitude
How big is it, really?
Tonga fits inside New Caledonia 25 times
New Caledonia: 18,576 km² (2024) · Tonga: 749 km² (2024)
How much coast is there?
New Caledonia’s coastline is 5.4 times as long as Tonga’s
New Caledonia: 2,254 km (2026 edition) · Tonga: 419 km (2026 edition)
How high can you climb?
New Caledonia’s highest peak towers 582 m above Tonga’s
New Caledonia: 1,628 m (2026 edition) · Tonga: 1,046 m (2026 edition)
How much of the land is farmed?
Farmland covers 48% of Tonga, versus 9.8% of New Caledonia
New Caledonia: 9.8% (2024) · Tonga: 48.5% (2024)
People
Who lives there, and how closely
How many people live there?
New Caledonia has 2.8 times as many people as Tonga
New Caledonia: 295,333 (2025) · Tonga: 103,742 (2025)
How crowded is it?
Tonga is 9.1 times as densely populated as New Caledonia
New Caledonia: 16 per km² (2025) · Tonga: 144 per km² (2025)
How tall are the men?
New Caledonia: no data · Tonga: 175.1 cm (2019)
How tall are the women?
New Caledonia: no data · Tonga: 166.1 cm (2019)
How old is the typical person?
The typical person in New Caledonia is 13 years older than in Tonga
New Caledonia: 33.9 years (2023) · Tonga: 20.7 years (2023)
How many children per woman?
Women in Tonga have 1.1 more children on average than in New Caledonia
New Caledonia: 1.96 children per woman (2024) · Tonga: 3.1 children per woman (2024)
How many people are 65 or older?
12% of people in New Caledonia are 65 or older, versus 6.9% in Tonga
New Caledonia: 11.8% (2025) · Tonga: 6.9% (2025)
How many official languages?
Tonga has 2 official languages, New Caledonia 1
New Caledonia: 1 (2026) · Tonga: 2 (2026)
Money
What an economy looks like per person
How big is the economy?
New Caledonia’s economy is 13 times the size of Tonga’s
New Caledonia: $8.55 billion (2024) · Tonga: $679 million (2025)
How much is produced per person?
New Caledonia: no data · Tonga: Int$8,675 (2025)
How evenly is income shared?
New Caledonia: no data · Tonga: 27.1 (2021)
How many live on less than $3 a day?
New Caledonia: no data · Tonga: 0.4% (2021)
How many people are looking for work?
Unemployment is 11% in New Caledonia, versus 2.0% in Tonga
New Caledonia: 11.2% (2025) · Tonga: 2% (2025)
How much does the central government collect in tax?
New Caledonia: no data · Tonga: 20.5% (2023)
How expensive is it?
New Caledonia: no data · Tonga: 75% (2025)
Health
Long lives, small beginnings
How much is spent on health?
New Caledonia: no data · Tonga: $358 (2023)
How long do people live?
People in New Caledonia live 5.9 years longer than in Tonga
New Caledonia: 78.9 years (2024) · Tonga: 73.1 years (2024)
How many babies don’t reach their first birthday?
New Caledonia: no data · Tonga: 7.8 per 1,000 (2024)
How many doctors are there?
New Caledonia: no data · Tonga: 1 per 1,000 (2021)
How common is suicide?
New Caledonia: no data · Tonga: 4.1 per 100k (2023)
How common is obesity?
New Caledonia: no data · Tonga: 72.3% (2024)
How many adults smoke?
New Caledonia: no data · Tonga: 32.1% (2024)
Everyday life
Plates, glasses and happiness
How much do people drink?
Adults in New Caledonia drink 42 times as much alcohol as in Tonga
New Caledonia: 8.2 litres (2023) · Tonga: 0.2 litres (2023)
How much meat is on the menu?
Tonga has 75% more meat per person than New Caledonia
New Caledonia: 89.6 kg (2023) · Tonga: 156.9 kg (2023)
How much food is there per day?
Tonga has 42 kcal more food per person per day than New Caledonia
New Caledonia: 3,016 kcal (2023) · Tonga: 3,059 kcal (2023)
How long do people go to school?
New Caledonia: no data · Tonga: 10.9 years (2023)
How many tourists visit?
New Caledonia welcomed 16% more tourists per resident than Tonga (2019)
New Caledonia: 0.2 (2024) · Tonga: 0.18 (2022)
How many World Heritage sites?
New Caledonia: no data · Tonga: 0 (2026)
How many Olympic medals has it won?
New Caledonia: no data · Tonga: 1 (2026 edition)
Connected
Online, electrified, urban
How many people are online?
82% of people in New Caledonia are online, versus 67% in Tonga
New Caledonia: 82% (2017) · Tonga: 67% (2024)
How fast is home internet?
New Caledonia: 176 Mbps (2026) · Tonga: no data
Who has electricity at home?
New Caledonia and Tonga are practically level
New Caledonia: 100% (2024) · Tonga: 100% (2024)
How many live in cities?
68% of people in New Caledonia live in cities, versus 21% in Tonga
New Caledonia: 68% (2025) · Tonga: 21% (2025)
How many phones per person?
New Caledonia has 92 mobile subscriptions per 100 people, Tonga 62
New Caledonia: 92 (2022) · Tonga: 62 (2022)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 48% of New Caledonia, but only 12% of Tonga
New Caledonia: 48.1% (2024) · Tonga: 12.1% (2024)
How much CO₂ does each person emit?
The average person in New Caledonia emits 12 times as much CO₂ as someone in Tonga
New Caledonia: 18.1 t (2024) · Tonga: 1.5 t (2024)
How green is the power grid?
27% of New Caledonia’s electricity is renewable, versus 14% in Tonga
New Caledonia: 26.9% (2024) · Tonga: 14.3% (2024)
How clean is the air?
The air in New Caledonia carries 29% more fine dust than in Tonga
New Caledonia: 4.9 µg/m³ (2024) · Tonga: 3.8 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
New Caledonia: no data · Tonga: 0.9 per 100k (2019)
How dangerous are the roads?
New Caledonia: no data · Tonga: 13.2 per 100k (2023)
Climate
What the year feels like
How warm is it?
New Caledonia: 22.9°C (2016–2025 avg) · Tonga: no data
How much rain falls?
New Caledonia: 1,558 mm (2016–2025 avg) · Tonga: no data
Between them
People, goods and passports that cross from one to the other
Quick answers
Is New Caledonia bigger than Tonga?
New Caledonia is larger. Tonga fits inside New Caledonia 25 times.
Which has more people, New Caledonia or Tonga?
New Caledonia has 2.8 times as many people as Tonga (2025 estimates).
Where do people live longer, New Caledonia or Tonga?
People in New Caledonia live 5.9 years longer than in Tonga. Life expectancy at birth is 78.9 years in New Caledonia and 73.1 in Tonga.