Land
Size, shape and altitude
How big is it, really?
Nauru fits inside Kiribati 41 times.
Kiribati: 810 km² (2023) · Nauru: 20 km² (2023)
How much coast is there?
Kiribati’s coastline is 38 times as long as Nauru’s.
Kiribati: 1,143 km (2026 edition) · Nauru: 30 km (2026 edition)
How high can you climb?
Kiribati’s highest peak towers 11 m above Nauru’s.
Kiribati: 81 m (2026 edition) · Nauru: 70 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Kiribati has 11 times as many people as Nauru.
Kiribati: 136,488 (2025) · Nauru: 12,025 (2025)
How crowded is it?
Nauru is 3.6 times as densely populated as Kiribati.
Kiribati: 169 per km² (2025) · Nauru: 601 per km² (2025)
How tall are the men?
Kiribati and Nauru are practically level.
Kiribati: 170.1 cm (2019) · Nauru: 169.6 cm (2019)
How tall are the women?
Women in Kiribati are 3.2 cm taller than in Nauru.
Kiribati: 161 cm (2019) · Nauru: 157.8 cm (2019)
How old is the typical person?
The typical person in Kiribati is 2.3 years older than in Nauru.
Kiribati: 22.7 years (2023) · Nauru: 20.4 years (2023)
How many children per woman?
Women in Nauru have 0.2 more children on average than in Kiribati.
Kiribati: 3.12 children per woman (2024) · Nauru: 3.29 children per woman (2024)
How many people are 65 or older?
4.4% of people in Kiribati are 65 or older, versus 3.0% in Nauru.
Kiribati: 4.4% (2025) · Nauru: 3% (2025)
How many official languages?
Kiribati and Nauru are practically level.
Kiribati: 2 (2026) · Nauru: 2 (2026)
Money
What an economy looks like per person
How big is the economy?
Kiribati’s economy is 2 times the size of Nauru’s.
Kiribati: $349 million (2025) · Nauru: $176 million (2025)
How much is produced per person?
Nauru produces 3.6 times as much per person as Kiribati.
Kiribati: Int$3,937 (2025) · Nauru: Int$14,201 (2025)
How evenly is income shared?
Kiribati: 24.7 (2023) · Nauru: no data
How expensive is it?
Nauru’s price level (US = 100) is 1.6× Kiribati’s.
Kiribati: 65% (2025) · Nauru: 103% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Nauru spends 9.6 times as much on health per person as Kiribati.
Kiribati: $238 (2023) · Nauru: $2,292 (2023)
How long do people live?
People in Kiribati live 4.3 years longer than in Nauru.
Kiribati: 66.6 years (2024) · Nauru: 62.3 years (2024)
How many babies don’t reach their first birthday?
A baby in Kiribati is 5 times as likely to die before turning one as in Nauru.
Kiribati: 38.8 per 1,000 (2024) · Nauru: 7.7 per 1,000 (2024)
How many doctors are there?
Kiribati: no data · Nauru: 1.3 per 1,000 (2015)
How common is obesity?
71% of adults in Nauru are obese, versus 45% in Kiribati.
Kiribati: 45.3% (2024) · Nauru: 71.4% (2024)
How many adults smoke?
38% of adults in Kiribati smoke, versus 35% in Nauru.
Kiribati: 37.7% (2024) · Nauru: 34.8% (2024)
Everyday life
Plates, glasses and happiness
How much do people drink?
Kiribati: 0.6 litres (2023) · Nauru: no data
How much meat is on the menu?
Nauru has 2.4 times as much meat per person as Kiribati.
Kiribati: 45.1 kg (2023) · Nauru: 109.2 kg (2023)
How much food is there per day?
Kiribati has 43 kcal more food per person per day than Nauru.
Kiribati: 3,125 kcal (2023) · Nauru: 3,082 kcal (2023)
How long do people go to school?
Adults in Nauru went to school 0.32 years longer than in Kiribati.
Kiribati: 9.1 years (2023) · Nauru: 9.4 years (2023)
How many tourists visit?
Kiribati: 0.01 (2022) · Nauru: no data
Connected
Online, electrified, urban
How many people are online?
89% of people in Kiribati are online, versus 83% in Nauru.
Kiribati: 89% (2024) · Nauru: 83% (2024)
Who has electricity at home?
100% of people in Nauru have electricity, versus 98% in Kiribati.
Kiribati: 97.7% (2024) · Nauru: 100% (2024)
How many live in cities?
100% of people in Nauru live in cities, versus 63% in Kiribati.
Kiribati: 63% (2025) · Nauru: 100% (2025)
How many phones per person?
Nauru has 87 mobile subscriptions per 100 people, Kiribati 54.
Kiribati: 54 (2024) · Nauru: 87 (2022)
How much do they fly?
Airlines from Nauru fly 7.5 times as many passengers per resident as those from Kiribati.
Kiribati: 0.43 (2023) · Nauru: 3.25 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 1.5% of Kiribati, but only 0.0% of Nauru.
Kiribati: 1.5% (2023) · Nauru: 0% (2023)
How much CO₂ does each person emit?
The average person in Nauru emits 9.5 times as much CO₂ as someone in Kiribati.
Kiribati: 0.5 t (2024) · Nauru: 5.1 t (2024)
How green is the power grid?
25% of Kiribati’s electricity is renewable, versus 20% in Nauru.
Kiribati: 25% (2024) · Nauru: 20% (2024)
How clean is the air?
The air in Nauru carries 3% more fine dust than in Kiribati.
Kiribati: 3.7 µg/m³ (2024) · Nauru: 3.8 µg/m³ (2024)
Safety
Measured risk, not vibes
How dangerous are the roads?
Roads in Nauru are 29% deadlier than in Kiribati.
Kiribati: 6.2 per 100k (2021) · Nauru: 8 per 100k (2021)
Climate
What the year feels like
How warm is it?
Kiribati: 26.5°C (2016–2025 avg) · Nauru: no data
How much rain falls?
Kiribati: 689 mm (2016–2025 avg) · Nauru: no data
Quick answers
Is Kiribati bigger than Nauru?
Kiribati is larger. Nauru fits inside Kiribati 41 times.
Which has more people, Kiribati or Nauru?
Kiribati has 11 times as many people as Nauru (2025 estimates).
Where do people live longer, Kiribati or Nauru?
People in Kiribati live 4.3 years longer than in Nauru. Life expectancy at birth is 66.6 years in Kiribati and 62.3 in Nauru.
Are people taller in Kiribati or Nauru?
Kiribati and Nauru are practically level (NCD-RisC, cohort born 2019).