Land
Size, shape and altitude
How big is it, really?
South Korea fits inside Chad 13 times.
Chad: 1,284,000 km² (2023) · South Korea: 100,450 km² (2023)
How much coast is there?
Chad: 0 km (2026 edition) · South Korea: 2,413 km (2026 edition)
How high can you climb?
Chad’s highest peak towers 1,495 m above South Korea’s.
Chad: 3,445 m (2026 edition) · South Korea: 1,950 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
South Korea has 2.5 times as many people as Chad.
Chad: 21 million (2025) · South Korea: 51.7 million (2025)
How crowded is it?
South Korea is 32 times as densely populated as Chad.
Chad: 17 per km² (2025) · South Korea: 530 per km² (2025)
How tall are the men?
Men in South Korea are 3.7 cm taller than in Chad.
Chad: 171.8 cm (2019) · South Korea: 175.5 cm (2019)
How tall are the women?
Women in South Korea are 1.1 cm taller than in Chad.
Chad: 162.1 cm (2019) · South Korea: 163.2 cm (2019)
How old is the typical person?
The typical person in South Korea is 29 years older than in Chad.
Chad: 15.4 years (2023) · South Korea: 44.5 years (2023)
How many children per woman?
Women in Chad have 5.3 more children on average than in South Korea.
Chad: 6.03 children per woman (2024) · South Korea: 0.75 children per woman (2024)
How many people are 65 or older?
20% of people in South Korea are 65 or older, versus 2.1% in Chad.
Chad: 2.1% (2025) · South Korea: 20.3% (2025)
How many Nobel laureates were born there?
South Korea has produced 0.6 Nobel laureates per 10 million people, Chad 0.0.
Chad: 0 (2025) · South Korea: 0.6 (2025)
How many official languages?
Chad has 2 official languages, South Korea 1.
Chad: 2 (2026) · South Korea: 1 (2026)
Money
What an economy looks like per person
How big is the economy?
South Korea’s economy is 87 times the size of Chad’s.
Chad: $21.5 billion (2025) · South Korea: $1.87 trillion (2025)
How much is produced per person?
South Korea produces 22 times as much per person as Chad.
Chad: Int$2,903 (2025) · South Korea: Int$63,125 (2025)
How evenly is income shared?
Income is more unequally shared in Chad than in South Korea (Gini 4.5 points higher).
Chad: 37.4 (2022) · South Korea: 32.9 (2021)
How many people are looking for work?
Unemployment is 2.7% in South Korea, versus 1.1% in Chad.
Chad: 1.1% (2025) · South Korea: 2.7% (2025)
How much goes to the military?
Chad and South Korea are practically level.
Chad: 3% (2024) · South Korea: 2.6% (2024)
How expensive is it?
South Korea’s price level (US = 100) is 1.6× Chad’s.
Chad: 35% (2025) · South Korea: 57% (2025)
Health
Long lives, small beginnings
How much is spent on health?
South Korea spends 66 times as much on health per person as Chad.
Chad: $47 (2023) · South Korea: $3,137 (2024)
How long do people live?
People in South Korea live 28 years longer than in Chad.
Chad: 55.2 years (2024) · South Korea: 83.6 years (2024)
How many babies don’t reach their first birthday?
A baby in Chad is 24 times as likely to die before turning one as in South Korea.
Chad: 56.3 per 1,000 (2024) · South Korea: 2.3 per 1,000 (2024)
How many doctors are there?
South Korea has 31 times as many doctors per person as Chad.
Chad: 0.1 per 1,000 (2023) · South Korea: 2.6 per 1,000 (2022)
How common is obesity?
7.5% of adults in South Korea are obese, versus 6.3% in Chad.
Chad: 6.3% (2024) · South Korea: 7.5% (2024)
How many adults smoke?
19% of adults in South Korea smoke, versus 7.4% in Chad.
Chad: 7.4% (2024) · South Korea: 18.6% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in South Korea rate their lives 1.66 points higher than in Chad.
Chad: 4.39 (2025) · South Korea: 6.04 (2025)
How much do people drink?
Adults in South Korea drink 2.8 times as much alcohol as in Chad.
Chad: 3 litres (2023) · South Korea: 8.3 litres (2023)
How much meat is on the menu?
South Korea has 79% more meat per person than Chad.
Chad: 47 kg (2022) · South Korea: 84 kg (2023)
How much food is there per day?
South Korea has 1,333 kcal more food per person per day than Chad.
Chad: 2,097 kcal (2022) · South Korea: 3,430 kcal (2023)
How long do people work?
Workers in South Korea put in 325 more hours a year than in Chad.
Chad: 1,585 hours (2023) · South Korea: 1,910 hours (2023)
How long do people go to school?
Adults in South Korea went to school 10 years longer than in Chad.
Chad: 2.3 years (2023) · South Korea: 12.7 years (2023)
How many tourists visit?
South Korea welcomed 67 times as many tourists per resident as Chad (2019).
Chad: 0 (2019) · South Korea: 0.32 (2024)
Connected
Online, electrified, urban
How many people are online?
98% of people in South Korea are online, versus 13% in Chad.
Chad: 13% (2024) · South Korea: 98% (2024)
Who has electricity at home?
100% of people in South Korea have electricity, versus 13% in Chad.
Chad: 13.4% (2024) · South Korea: 100% (2024)
How many live in cities?
81% of people in South Korea live in cities, versus 28% in Chad.
Chad: 28% (2025) · South Korea: 81% (2025)
How many phones per person?
South Korea has 173 mobile subscriptions per 100 people, Chad 73.
Chad: 73 (2024) · South Korea: 173 (2024)
How much railway is there?
Chad: no data · South Korea: 4,309 km (2021)
How much do they fly?
Chad: no data · South Korea: 1.48 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 64% of South Korea, but only 3.2% of Chad.
Chad: 3.2% (2023) · South Korea: 64.1% (2023)
How much CO₂ does each person emit?
The average person in South Korea emits 81 times as much CO₂ as someone in Chad.
Chad: 0.1 t (2024) · South Korea: 11.3 t (2024)
How green is the power grid?
10% of South Korea’s electricity is renewable, versus 5.4% in Chad.
Chad: 5.4% (2024) · South Korea: 10.4% (2025)
How clean is the air?
The air in Chad carries 87% more fine dust than in South Korea.
Chad: 39.2 µg/m³ (2024) · South Korea: 21 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
Chad: no data · South Korea: 0.5 per 100k (2023)
How dangerous are the roads?
Roads in Chad are 3.8 times as deadly as in South Korea.
Chad: 26.4 per 100k (2021) · South Korea: 6.9 per 100k (2021)
Climate
What the year feels like
How warm is it?
Chad is on average 14.6 °C warmer than South Korea.
Chad: 27.8°C (2016–2025 avg) · South Korea: 13.2°C (2016–2025 avg)
How much rain falls?
South Korea gets 4.6 times as much rain as Chad.
Chad: 276 mm (2016–2025 avg) · South Korea: 1,265 mm (2016–2025 avg)
Quick answers
Is Chad bigger than South Korea?
Chad is larger. South Korea fits inside Chad 13 times.
Which has more people, Chad or South Korea?
South Korea has 2.5 times as many people as Chad (2025 estimates).
Where do people live longer, Chad or South Korea?
People in South Korea live 28 years longer than in Chad. Life expectancy at birth is 55.2 years in Chad and 83.6 in South Korea.
Are people taller in Chad or South Korea?
Men in South Korea are 3.7 cm taller than in Chad (NCD-RisC, cohort born 2019).