Land
Size, shape and altitude
How big is it, really?
Japan fits inside Algeria 6.3 times.
Algeria: 2,381,740 km² (2023) · Japan: 377,969 km² (2023)
How much coast is there?
Japan’s coastline is 30 times as long as Algeria’s.
Algeria: 998 km (2026 edition) · Japan: 29,751 km (2026 edition)
How high can you climb?
Japan’s highest peak towers 868 m above Algeria’s.
Algeria: 2,908 m (2026 edition) · Japan: 3,776 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Japan has 2.6 times as many people as Algeria.
Algeria: 47.4 million (2025) · Japan: 123 million (2025)
How crowded is it?
Japan is 17 times as densely populated as Algeria.
Algeria: 20 per km² (2025) · Japan: 338 per km² (2025)
How tall are the men?
Men in Algeria are 3.0 cm taller than in Japan.
Algeria: 175 cm (2019) · Japan: 172.1 cm (2019)
How tall are the women?
Women in Algeria are 3.8 cm taller than in Japan.
Algeria: 162.4 cm (2019) · Japan: 158.5 cm (2019)
How old is the typical person?
The typical person in Japan is 21 years older than in Algeria.
Algeria: 28.2 years (2023) · Japan: 49 years (2023)
How many children per woman?
Women in Algeria have 1.6 more children on average than in Japan.
Algeria: 2.72 children per woman (2024) · Japan: 1.15 children per woman (2024)
How many people are 65 or older?
30% of people in Japan are 65 or older, versus 6.8% in Algeria.
Algeria: 6.8% (2025) · Japan: 30% (2025)
How many Nobel laureates were born there?
Japan has produced 2.4 Nobel laureates per 10 million people, Algeria 0.4.
Algeria: 0.4 (2025) · Japan: 2.4 (2025)
How many official languages?
Algeria and Japan are practically level.
Algeria: 1 (2026) · Japan: 1 (2026)
Money
What an economy looks like per person
How big is the economy?
Japan’s economy is 15 times the size of Algeria’s.
Algeria: $287 billion (2025) · Japan: $4.44 trillion (2025)
How much is produced per person?
Japan produces 3 times as much per person as Algeria.
Algeria: Int$18,586 (2025) · Japan: Int$55,422 (2025)
How evenly is income shared?
Algeria: no data · Japan: 32.3 (2020)
How many people are looking for work?
Unemployment is 12% in Algeria, versus 2.5% in Japan.
Algeria: 11.6% (2025) · Japan: 2.5% (2025)
How much goes to the military?
Algeria spends 8.0% of its GDP on the military, Japan 1.4%.
Algeria: 8% (2024) · Japan: 1.4% (2024)
How expensive is it?
Japan’s price level (US = 100) is 2× Algeria’s.
Algeria: 33% (2025) · Japan: 65% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Japan spends 16 times as much on health per person as Algeria.
Algeria: $233 (2023) · Japan: $3,638 (2023)
How long do people live?
People in Japan live 7.6 years longer than in Algeria.
Algeria: 76.5 years (2024) · Japan: 84 years (2024)
How many babies don’t reach their first birthday?
A baby in Algeria is 11 times as likely to die before turning one as in Japan.
Algeria: 19.5 per 1,000 (2024) · Japan: 1.8 per 1,000 (2024)
How many doctors are there?
Japan has 60% more doctors per person than Algeria.
Algeria: 1.7 per 1,000 (2022) · Japan: 2.6 per 1,000 (2022)
How common is obesity?
24% of adults in Algeria are obese, versus 5.2% in Japan.
Algeria: 24.3% (2024) · Japan: 5.2% (2024)
How many adults smoke?
22% of adults in Algeria smoke, versus 18% in Japan.
Algeria: 22.4% (2024) · Japan: 17.5% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in Japan rate their lives 0.42 points higher than in Algeria.
Algeria: 5.71 (2025) · Japan: 6.13 (2025)
How much do people drink?
Adults in Japan drink 15 times as much alcohol as in Algeria.
Algeria: 0.4 litres (2023) · Japan: 6.3 litres (2023)
How much meat is on the menu?
Japan has 2.7 times as much meat per person as Algeria.
Algeria: 22.3 kg (2023) · Japan: 59.9 kg (2022)
How much food is there per day?
Algeria has 726 kcal more food per person per day than Japan.
Algeria: 3,396 kcal (2023) · Japan: 2,670 kcal (2022)
How long do people work?
Workers in Algeria put in 579 more hours a year than in Japan.
Algeria: 2,232 hours (2023) · Japan: 1,654 hours (2023)
How long do people go to school?
Adults in Japan went to school 5.3 years longer than in Algeria.
Algeria: 7.4 years (2023) · Japan: 12.7 years (2023)
How many tourists visit?
Algeria: no data · Japan: 0.3 (2024)
Connected
Online, electrified, urban
How many people are online?
86% of people in Japan are online, versus 77% in Algeria.
Algeria: 77% (2024) · Japan: 86% (2024)
Who has electricity at home?
Algeria and Japan are practically level.
Algeria: 100% (2024) · Japan: 100% (2024)
How many live in cities?
92% of people in Japan live in cities, versus 76% in Algeria.
Algeria: 76% (2025) · Japan: 92% (2025)
How many phones per person?
Japan has 178 mobile subscriptions per 100 people, Algeria 115.
Algeria: 115 (2024) · Japan: 178 (2023)
How much railway is there?
Japan’s railway network is 5 times as long as Algeria’s.
Algeria: 4,001 km (2021) · Japan: 20,087 km (2011)
How much do they fly?
Airlines from Japan fly 6.5 times as many passengers per resident as those from Algeria.
Algeria: 0.15 (2023) · Japan: 0.98 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 68% of Japan, but only 0.8% of Algeria.
Algeria: 0.8% (2023) · Japan: 68.4% (2023)
How much CO₂ does each person emit?
The average person in Japan emits 84% more CO₂ than someone in Algeria.
Algeria: 4.2 t (2024) · Japan: 7.8 t (2024)
How green is the power grid?
24% of Japan’s electricity is renewable, versus 1.1% in Algeria.
Algeria: 1.1% (2024) · Japan: 23.6% (2025)
How clean is the air?
The air in Algeria carries 37% more fine dust than in Japan.
Algeria: 14.4 µg/m³ (2024) · Japan: 10.5 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 5.1 times as likely to be murdered in Algeria as in Japan.
Algeria: 1.2 per 100k (2023) · Japan: 0.2 per 100k (2023)
How dangerous are the roads?
Roads in Algeria are 6.8 times as deadly as in Japan.
Algeria: 18.3 per 100k (2021) · Japan: 2.7 per 100k (2021)
Climate
What the year feels like
How warm is it?
Algeria is on average 11.9 °C warmer than Japan.
Algeria: 24.7°C (2016–2025 avg) · Japan: 12.8°C (2016–2025 avg)
How much rain falls?
Japan gets 31 times as much rain as Algeria.
Algeria: 58 mm (2016–2025 avg) · Japan: 1,824 mm (2016–2025 avg)
Quick answers
Is Algeria bigger than Japan?
Algeria is larger. Japan fits inside Algeria 6.3 times.
Which has more people, Algeria or Japan?
Japan has 2.6 times as many people as Algeria (2025 estimates).
Where do people live longer, Algeria or Japan?
People in Japan live 7.6 years longer than in Algeria. Life expectancy at birth is 76.5 years in Algeria and 84.0 in Japan.
Are people taller in Algeria or Japan?
Men in Algeria are 3.0 cm taller than in Japan (NCD-RisC, cohort born 2019).
