Land
Size, shape and altitude
How big is it, really?
South Korea is 27% bigger than Czechia.
Czechia: 78,871 km² (2023) · South Korea: 100,450 km² (2023)
How much coast is there?
Czechia: 0 km (2026 edition) · South Korea: 2,413 km (2026 edition)
How high can you climb?
South Korea’s highest peak towers 348 m above Czechia’s.
Czechia: 1,602 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 4.7 times as many people as Czechia.
Czechia: 10.9 million (2025) · South Korea: 51.7 million (2025)
How crowded is it?
South Korea is 3.8 times as densely populated as Czechia.
Czechia: 141 per km² (2025) · South Korea: 530 per km² (2025)
How tall are the men?
Men in Czechia are 5.7 cm taller than in South Korea.
Czechia: 181.2 cm (2019) · South Korea: 175.5 cm (2019)
How tall are the women?
Women in Czechia are 4.7 cm taller than in South Korea.
Czechia: 168 cm (2019) · South Korea: 163.2 cm (2019)
How old is the typical person?
The typical person in South Korea is 1.8 years older than in Czechia.
Czechia: 42.7 years (2023) · South Korea: 44.5 years (2023)
How many children per woman?
Women in Czechia have 0.6 more children on average than in South Korea.
Czechia: 1.36 children per woman (2024) · South Korea: 0.75 children per woman (2024)
How many people are 65 or older?
21% of people in Czechia are 65 or older, versus 20% in South Korea.
Czechia: 21.2% (2025) · South Korea: 20.3% (2025)
How many Nobel laureates were born there?
Czechia has produced 5.5 Nobel laureates per 10 million people, South Korea 0.6.
Czechia: 5.5 (2025) · South Korea: 0.6 (2025)
How many official languages?
Czechia has 2 official languages, South Korea 1.
Czechia: 2 (2026) · South Korea: 1 (2026)
Money
What an economy looks like per person
How big is the economy?
South Korea’s economy is 4.8 times the size of Czechia’s.
Czechia: $391 billion (2025) · South Korea: $1.87 trillion (2025)
How much is produced per person?
South Korea produces 4% more per person than Czechia.
Czechia: Int$60,487 (2025) · South Korea: Int$63,125 (2025)
How evenly is income shared?
Income is more unequally shared in South Korea than in Czechia (Gini 7.2 points higher).
Czechia: 25.7 (2023) · South Korea: 32.9 (2021)
How many people are looking for work?
Czechia and South Korea are practically level.
Czechia: 2.8% (2025) · South Korea: 2.7% (2025)
How much goes to the military?
South Korea spends 2.6% of its GDP on the military, Czechia 1.9%.
Czechia: 1.9% (2024) · South Korea: 2.6% (2024)
How expensive is it?
Czechia’s price level (US = 100) is 1× South Korea’s.
Czechia: 59% (2025) · South Korea: 57% (2025)
Health
Long lives, small beginnings
How much is spent on health?
South Korea spends 16% more on health per person than Czechia.
Czechia: $2,693 (2024) · South Korea: $3,137 (2024)
How long do people live?
People in South Korea live 3.7 years longer than in Czechia.
Czechia: 80 years (2024) · South Korea: 83.6 years (2024)
How many babies don’t reach their first birthday?
A baby in South Korea is 10% more likely to die before turning one than in Czechia.
Czechia: 2.1 per 1,000 (2024) · South Korea: 2.3 per 1,000 (2024)
How many doctors are there?
Czechia has 67% more doctors per person than South Korea.
Czechia: 4.4 per 1,000 (2022) · South Korea: 2.6 per 1,000 (2022)
How common is obesity?
32% of adults in Czechia are obese, versus 7.5% in South Korea.
Czechia: 31.6% (2024) · South Korea: 7.5% (2024)
How many adults smoke?
28% of adults in Czechia smoke, versus 19% in South Korea.
Czechia: 28.4% (2024) · South Korea: 18.6% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in Czechia rate their lives 0.78 points higher than in South Korea.
Czechia: 6.82 (2025) · South Korea: 6.04 (2025)
How much do people drink?
Adults in Czechia drink 64% more alcohol than in South Korea.
Czechia: 13.5 litres (2023) · South Korea: 8.3 litres (2023)
How much meat is on the menu?
South Korea has 2% more meat per person than Czechia.
Czechia: 82.3 kg (2023) · South Korea: 84 kg (2023)
How much food is there per day?
South Korea has 46 kcal more food per person per day than Czechia.
Czechia: 3,384 kcal (2023) · South Korea: 3,430 kcal (2023)
How long do people work?
Workers in South Korea put in 136 more hours a year than in Czechia.
Czechia: 1,774 hours (2023) · South Korea: 1,910 hours (2023)
How long do people go to school?
Adults in Czechia went to school 0.24 years longer than in South Korea.
Czechia: 13 years (2023) · South Korea: 12.7 years (2023)
How many tourists visit?
Czechia welcomed 4.3 times as many tourists per resident as South Korea (2019).
Czechia: 1.37 (2019) · South Korea: 0.32 (2024)
Connected
Online, electrified, urban
How many people are online?
98% of people in South Korea are online, versus 88% in Czechia.
Czechia: 88% (2024) · South Korea: 98% (2024)
Who has electricity at home?
Czechia and South Korea are practically level.
Czechia: 100% (2024) · South Korea: 100% (2024)
How many live in cities?
81% of people in South Korea live in cities, versus 73% in Czechia.
Czechia: 73% (2025) · South Korea: 81% (2025)
How many phones per person?
South Korea has 173 mobile subscriptions per 100 people, Czechia 127.
Czechia: 127 (2024) · South Korea: 173 (2024)
How much railway is there?
Czechia’s railway network is 2.2 times as long as South Korea’s.
Czechia: 9,357 km (2021) · South Korea: 4,309 km (2021)
How much do they fly?
Airlines from South Korea fly 7.4 times as many passengers per resident as those from Czechia.
Czechia: 0.2 (2023) · 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 35% of Czechia.
Czechia: 34.8% (2023) · South Korea: 64.1% (2023)
How much CO₂ does each person emit?
The average person in South Korea emits 60% more CO₂ than someone in Czechia.
Czechia: 7 t (2024) · South Korea: 11.3 t (2024)
How green is the power grid?
17% of Czechia’s electricity is renewable, versus 10% in South Korea.
Czechia: 16.8% (2025) · South Korea: 10.4% (2025)
How clean is the air?
The air in South Korea carries 74% more fine dust than in Czechia.
Czechia: 12.1 µg/m³ (2024) · South Korea: 21 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 61% more likely to be murdered in Czechia than in South Korea.
Czechia: 0.8 per 100k (2023) · South Korea: 0.5 per 100k (2023)
How dangerous are the roads?
Roads in South Korea are 33% deadlier than in Czechia.
Czechia: 5.2 per 100k (2021) · South Korea: 6.9 per 100k (2021)
Climate
What the year feels like
How warm is it?
South Korea is on average 3.7 °C warmer than Czechia.
Czechia: 9.4°C (2016–2025 avg) · South Korea: 13.2°C (2016–2025 avg)
How much rain falls?
South Korea gets 57% more rain than Czechia.
Czechia: 805 mm (2016–2025 avg) · South Korea: 1,265 mm (2016–2025 avg)
Quick answers
Is Czechia bigger than South Korea?
South Korea is larger. South Korea is 27% bigger than Czechia.
Which has more people, Czechia or South Korea?
South Korea has 4.7 times as many people as Czechia (2025 estimates).
Where do people live longer, Czechia or South Korea?
People in South Korea live 3.7 years longer than in Czechia. Life expectancy at birth is 80.0 years in Czechia and 83.6 in South Korea.
Are people taller in Czechia or South Korea?
Men in Czechia are 5.7 cm taller than in South Korea (NCD-RisC, cohort born 2019).