Land
Size, shape and altitude
How big is it, really?
Tanzania fits inside Indonesia 2 times.
Indonesia: 1,916,910 km² (2023) · Tanzania: 947,300 km² (2023)
How much coast is there?
Indonesia’s coastline is 38 times as long as Tanzania’s.
Indonesia: 54,716 km (2026 edition) · Tanzania: 1,424 km (2026 edition)
How high can you climb?
Tanzania’s highest peak towers 1,011 m above Indonesia’s.
Indonesia: 4,884 m (2026 edition) · Tanzania: 5,895 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Indonesia has 4.1 times as many people as Tanzania.
Indonesia: 286 million (2025) · Tanzania: 70.5 million (2025)
How crowded is it?
Indonesia is 90% more densely populated than Tanzania.
Indonesia: 151 per km² (2025) · Tanzania: 80 per km² (2025)
How tall are the men?
Tanzania and Indonesia are practically level.
Indonesia: 166.3 cm (2019) · Tanzania: 167 cm (2019)
How tall are the women?
Women in Tanzania are 2.5 cm taller than in Indonesia.
Indonesia: 154.4 cm (2019) · Tanzania: 156.9 cm (2019)
How old is the typical person?
The typical person in Indonesia is 13 years older than in Tanzania.
Indonesia: 29.8 years (2023) · Tanzania: 17.2 years (2023)
How many children per woman?
Women in Tanzania have 2.4 more children on average than in Indonesia.
Indonesia: 2.12 children per woman (2024) · Tanzania: 4.54 children per woman (2024)
How many people are 65 or older?
7.5% of people in Indonesia are 65 or older, versus 3.0% in Tanzania.
Indonesia: 7.5% (2025) · Tanzania: 3% (2025)
How many Nobel laureates were born there?
Indonesia has produced 0.0 Nobel laureates per 10 million people, Tanzania 0.0.
Indonesia: 0 (2025) · Tanzania: 0 (2025)
How many official languages?
Tanzania has 2 official languages, Indonesia 1.
Indonesia: 1 (2026) · Tanzania: 2 (2026)
Money
What an economy looks like per person
How big is the economy?
Indonesia’s economy is 16 times the size of Tanzania’s.
Indonesia: $1.45 trillion (2025) · Tanzania: $90.1 billion (2025)
How much is produced per person?
Indonesia produces 3.9 times as much per person as Tanzania.
Indonesia: Int$17,660 (2025) · Tanzania: Int$4,471 (2025)
How evenly is income shared?
Income is more unequally shared in Tanzania than in Indonesia (Gini 6.1 points higher).
Indonesia: 34.4 (2025) · Tanzania: 40.5 (2018)
How many people are looking for work?
Unemployment is 3.2% in Indonesia, versus 1.6% in Tanzania.
Indonesia: 3.2% (2025) · Tanzania: 1.6% (2025)
How much goes to the military?
Tanzania and Indonesia are practically level.
Indonesia: 0.8% (2024) · Tanzania: 1.2% (2024)
How expensive is it?
Tanzania’s price level (US = 100) is 1× Indonesia’s.
Indonesia: 29% (2025) · Tanzania: 29% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Indonesia spends 3.6 times as much on health per person as Tanzania.
Indonesia: $132 (2023) · Tanzania: $36 (2023)
How long do people live?
People in Indonesia live 4.1 years longer than in Tanzania.
Indonesia: 71.3 years (2024) · Tanzania: 67.2 years (2024)
How many babies don’t reach their first birthday?
A baby in Tanzania is 89% more likely to die before turning one than in Indonesia.
Indonesia: 15.2 per 1,000 (2024) · Tanzania: 28.7 per 1,000 (2024)
How many doctors are there?
Indonesia has 3.9 times as many doctors per person as Tanzania.
Indonesia: 0.5 per 1,000 (2023) · Tanzania: 0.1 per 1,000 (2022)
How common is obesity?
12% of adults in Indonesia are obese, versus 10% in Tanzania.
Indonesia: 12% (2024) · Tanzania: 10.5% (2024)
How many adults smoke?
31% of adults in Indonesia smoke, versus 7.7% in Tanzania.
Indonesia: 31% (2024) · Tanzania: 7.7% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in Indonesia rate their lives 1.71 points higher than in Tanzania.
Indonesia: 5.62 (2025) · Tanzania: 3.90 (2025)
How much do people drink?
Adults in Tanzania drink 15 times as much alcohol as in Indonesia.
Indonesia: 0.1 litres (2023) · Tanzania: 1.5 litres (2023)
How much meat is on the menu?
Indonesia has 64% more meat per person than Tanzania.
Indonesia: 20 kg (2023) · Tanzania: 12.2 kg (2023)
How much food is there per day?
Indonesia has 382 kcal more food per person per day than Tanzania.
Indonesia: 2,900 kcal (2023) · Tanzania: 2,518 kcal (2023)
How long do people work?
Workers in Tanzania put in 170 more hours a year than in Indonesia.
Indonesia: 1,958 hours (2023) · Tanzania: 2,129 hours (2023)
How long do people go to school?
Adults in Indonesia went to school 2.6 years longer than in Tanzania.
Indonesia: 8.7 years (2023) · Tanzania: 6.1 years (2023)
How many tourists visit?
Indonesia welcomed 2.1 times as many tourists per resident as Tanzania (2019).
Indonesia: 0.05 (2024) · Tanzania: 0.02 (2022)
Connected
Online, electrified, urban
How many people are online?
73% of people in Indonesia are online, versus 31% in Tanzania.
Indonesia: 73% (2024) · Tanzania: 31% (2024)
Who has electricity at home?
100% of people in Indonesia have electricity, versus 52% in Tanzania.
Indonesia: 99.9% (2024) · Tanzania: 52.4% (2024)
How many live in cities?
59% of people in Indonesia live in cities, versus 37% in Tanzania.
Indonesia: 59% (2025) · Tanzania: 37% (2025)
How many phones per person?
Tanzania has 127 mobile subscriptions per 100 people, Indonesia 123.
Indonesia: 123 (2024) · Tanzania: 127 (2024)
How much railway is there?
Indonesia’s railway network is 2 times as long as Tanzania’s.
Indonesia: 5,483 km (2019) · Tanzania: 2,701 km (2017)
How much do they fly?
Airlines from Indonesia fly 13 times as many passengers per resident as those from Tanzania.
Indonesia: 0.34 (2023) · Tanzania: 0.03 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 50% of Tanzania, but only 48% of Indonesia.
Indonesia: 47.7% (2023) · Tanzania: 50.1% (2023)
How much CO₂ does each person emit?
The average person in Indonesia emits 9.8 times as much CO₂ as someone in Tanzania.
Indonesia: 2.9 t (2024) · Tanzania: 0.3 t (2024)
How green is the power grid?
33% of Tanzania’s electricity is renewable, versus 18% in Indonesia.
Indonesia: 18.1% (2024) · Tanzania: 32.9% (2024)
How clean is the air?
The air in Tanzania carries 33% more fine dust than in Indonesia.
Indonesia: 18.5 µg/m³ (2024) · Tanzania: 24.6 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 12 times as likely to be murdered in Tanzania as in Indonesia.
Indonesia: 0.3 per 100k (2022) · Tanzania: 3.7 per 100k (2020)
How dangerous are the roads?
Roads in Tanzania are 40% deadlier than in Indonesia.
Indonesia: 11.3 per 100k (2021) · Tanzania: 15.8 per 100k (2021)
Climate
What the year feels like
How warm is it?
Indonesia is on average 2.5 °C warmer than Tanzania.
Indonesia: 25.6°C (2016–2025 avg) · Tanzania: 23.1°C (2016–2025 avg)
How much rain falls?
Indonesia gets 3.1 times as much rain as Tanzania.
Indonesia: 3,437 mm (2016–2025 avg) · Tanzania: 1,102 mm (2016–2025 avg)
Quick answers
Is Indonesia bigger than Tanzania?
Indonesia is larger. Tanzania fits inside Indonesia 2 times.
Which has more people, Indonesia or Tanzania?
Indonesia has 4.1 times as many people as Tanzania (2025 estimates).
Where do people live longer, Indonesia or Tanzania?
People in Indonesia live 4.1 years longer than in Tanzania. Life expectancy at birth is 71.3 years in Indonesia and 67.2 in Tanzania.
Are people taller in Indonesia or Tanzania?
Tanzania and Indonesia are practically level (NCD-RisC, cohort born 2019).
