Land
Size, shape and altitude
How big is it, really?
South Korea fits inside Tanzania 9.4 times.
South Korea: 100,450 km² (2023) · Tanzania: 947,300 km² (2023)
How much coast is there?
South Korea’s coastline is 69% longer than Tanzania’s.
South Korea: 2,413 km (2026 edition) · Tanzania: 1,424 km (2026 edition)
How high can you climb?
Tanzania’s highest peak towers 3,945 m above South Korea’s.
South Korea: 1,950 m (2026 edition) · Tanzania: 5,895 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Tanzania has 36% more people than South Korea.
South Korea: 51.7 million (2025) · Tanzania: 70.5 million (2025)
How crowded is it?
South Korea is 6.6 times as densely populated as Tanzania.
South Korea: 530 per km² (2025) · Tanzania: 80 per km² (2025)
How tall are the men?
Men in South Korea are 8.5 cm taller than in Tanzania.
South Korea: 175.5 cm (2019) · Tanzania: 167 cm (2019)
How tall are the women?
Women in South Korea are 6.3 cm taller than in Tanzania.
South Korea: 163.2 cm (2019) · Tanzania: 156.9 cm (2019)
How old is the typical person?
The typical person in South Korea is 27 years older than in Tanzania.
South Korea: 44.5 years (2023) · Tanzania: 17.2 years (2023)
How many children per woman?
Women in Tanzania have 3.8 more children on average than in South Korea.
South Korea: 0.75 children per woman (2024) · Tanzania: 4.54 children per woman (2024)
How many people are 65 or older?
20% of people in South Korea are 65 or older, versus 3.0% in Tanzania.
South Korea: 20.3% (2025) · Tanzania: 3% (2025)
How many Nobel laureates were born there?
South Korea has produced 0.6 Nobel laureates per 10 million people, Tanzania 0.0.
South Korea: 0.6 (2025) · Tanzania: 0 (2025)
How many official languages?
Tanzania has 2 official languages, South Korea 1.
South Korea: 1 (2026) · Tanzania: 2 (2026)
Money
What an economy looks like per person
How big is the economy?
South Korea’s economy is 21 times the size of Tanzania’s.
South Korea: $1.87 trillion (2025) · Tanzania: $90.1 billion (2025)
How much is produced per person?
South Korea produces 14 times as much per person as Tanzania.
South Korea: Int$63,125 (2025) · Tanzania: Int$4,471 (2025)
How evenly is income shared?
Income is more unequally shared in Tanzania than in South Korea (Gini 7.6 points higher).
South Korea: 32.9 (2021) · Tanzania: 40.5 (2018)
How many people are looking for work?
Unemployment is 2.7% in South Korea, versus 1.6% in Tanzania.
South Korea: 2.7% (2025) · Tanzania: 1.6% (2025)
How much goes to the military?
South Korea spends 2.6% of its GDP on the military, Tanzania 1.2%.
South Korea: 2.6% (2024) · Tanzania: 1.2% (2024)
How expensive is it?
South Korea’s price level (US = 100) is 1.9× Tanzania’s.
South Korea: 57% (2025) · Tanzania: 29% (2025)
Health
Long lives, small beginnings
How much is spent on health?
South Korea spends 87 times as much on health per person as Tanzania.
South Korea: $3,137 (2024) · Tanzania: $36 (2023)
How long do people live?
People in South Korea live 16 years longer than in Tanzania.
South Korea: 83.6 years (2024) · Tanzania: 67.2 years (2024)
How many babies don’t reach their first birthday?
A baby in Tanzania is 12 times as likely to die before turning one as in South Korea.
South Korea: 2.3 per 1,000 (2024) · Tanzania: 28.7 per 1,000 (2024)
How many doctors are there?
South Korea has 19 times as many doctors per person as Tanzania.
South Korea: 2.6 per 1,000 (2022) · Tanzania: 0.1 per 1,000 (2022)
How common is obesity?
10% of adults in Tanzania are obese, versus 7.5% in South Korea.
South Korea: 7.5% (2024) · Tanzania: 10.5% (2024)
How many adults smoke?
19% of adults in South Korea smoke, versus 7.7% in Tanzania.
South Korea: 18.6% (2024) · Tanzania: 7.7% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in South Korea rate their lives 2.14 points higher than in Tanzania.
South Korea: 6.04 (2025) · Tanzania: 3.90 (2025)
How much do people drink?
Adults in South Korea drink 5.5 times as much alcohol as in Tanzania.
South Korea: 8.3 litres (2023) · Tanzania: 1.5 litres (2023)
How much meat is on the menu?
South Korea has 6.9 times as much meat per person as Tanzania.
South Korea: 84 kg (2023) · Tanzania: 12.2 kg (2023)
How much food is there per day?
South Korea has 912 kcal more food per person per day than Tanzania.
South Korea: 3,430 kcal (2023) · Tanzania: 2,518 kcal (2023)
How long do people work?
Workers in Tanzania put in 219 more hours a year than in South Korea.
South Korea: 1,910 hours (2023) · Tanzania: 2,129 hours (2023)
How long do people go to school?
Adults in South Korea went to school 6.7 years longer than in Tanzania.
South Korea: 12.7 years (2023) · Tanzania: 6.1 years (2023)
How many tourists visit?
South Korea welcomed 14 times as many tourists per resident as Tanzania (2019).
South Korea: 0.32 (2024) · Tanzania: 0.02 (2022)
Connected
Online, electrified, urban
How many people are online?
98% of people in South Korea are online, versus 31% in Tanzania.
South Korea: 98% (2024) · Tanzania: 31% (2024)
Who has electricity at home?
100% of people in South Korea have electricity, versus 52% in Tanzania.
South Korea: 100% (2024) · Tanzania: 52.4% (2024)
How many live in cities?
81% of people in South Korea live in cities, versus 37% in Tanzania.
South Korea: 81% (2025) · Tanzania: 37% (2025)
How many phones per person?
South Korea has 173 mobile subscriptions per 100 people, Tanzania 127.
South Korea: 173 (2024) · Tanzania: 127 (2024)
How much railway is there?
South Korea’s railway network is 60% longer than Tanzania’s.
South Korea: 4,309 km (2021) · Tanzania: 2,701 km (2017)
How much do they fly?
Airlines from South Korea fly 54 times as many passengers per resident as those from Tanzania.
South Korea: 1.48 (2023) · Tanzania: 0.03 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 64% of South Korea, but only 50% of Tanzania.
South Korea: 64.1% (2023) · Tanzania: 50.1% (2023)
How much CO₂ does each person emit?
The average person in South Korea emits 39 times as much CO₂ as someone in Tanzania.
South Korea: 11.3 t (2024) · Tanzania: 0.3 t (2024)
How green is the power grid?
33% of Tanzania’s electricity is renewable, versus 10% in South Korea.
South Korea: 10.4% (2025) · Tanzania: 32.9% (2024)
How clean is the air?
The air in Tanzania carries 17% more fine dust than in South Korea.
South Korea: 21 µg/m³ (2024) · Tanzania: 24.6 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 7.9 times as likely to be murdered in Tanzania as in South Korea.
South Korea: 0.5 per 100k (2023) · Tanzania: 3.7 per 100k (2020)
How dangerous are the roads?
Roads in Tanzania are 2.3 times as deadly as in South Korea.
South Korea: 6.9 per 100k (2021) · Tanzania: 15.8 per 100k (2021)
Climate
What the year feels like
How warm is it?
Tanzania is on average 10.0 °C warmer than South Korea.
South Korea: 13.2°C (2016–2025 avg) · Tanzania: 23.1°C (2016–2025 avg)
How much rain falls?
South Korea gets 15% more rain than Tanzania.
South Korea: 1,265 mm (2016–2025 avg) · Tanzania: 1,102 mm (2016–2025 avg)
Quick answers
Is South Korea bigger than Tanzania?
Tanzania is larger. South Korea fits inside Tanzania 9.4 times.
Which has more people, South Korea or Tanzania?
Tanzania has 36% more people than South Korea (2025 estimates).
Where do people live longer, South Korea or Tanzania?
People in South Korea live 16 years longer than in Tanzania. Life expectancy at birth is 83.6 years in South Korea and 67.2 in Tanzania.
Are people taller in South Korea or Tanzania?
Men in South Korea are 8.5 cm taller than in Tanzania (NCD-RisC, cohort born 2019).
