How much coast is there?

Japan’s coastline is 237 times as long as Guam’s.

Guam: 126 km (2026 edition) · Japan: 29,751 km (2026 edition)

How high can you climb?

Japan’s highest peak towers 3,370 m above Guam’s.

Guam: 406 m (2026 edition) · Japan: 3,776 m (2026 edition)

How many people live there?

Japan has 730 times as many people as Guam.

Guam: 168,999 (2025) · Japan: 123 million (2025)

How crowded is it?

Japan is 8% more densely populated than Guam.

Guam: 313 per km² (2025) · Japan: 338 per km² (2025)

How old is the typical person?

The typical person in Japan is 18 years older than in Guam.

Guam: 31.1 years (2023) · Japan: 49 years (2023)

How many children per woman?

Women in Guam have 1.6 more children on average than in Japan.

Guam: 2.75 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 13% in Guam.

Guam: 13.1% (2025) · Japan: 30% (2025)

How many Nobel laureates were born there?

Guam: no data · Japan: 2.4 (2025)

How many official languages?

Guam has 3 official languages, Japan 1.

Guam: 3 (2026) · Japan: 1 (2026)

How big is the economy?

Japan’s economy is 642 times the size of Guam’s.

Guam: $6.91 billion (2022) · Japan: $4.44 trillion (2025)

How much is produced per person?

Guam: no data · Japan: Int$55,422 (2025)

How evenly is income shared?

Guam: no data · Japan: 32.3 (2020)

How many people are looking for work?

Unemployment is 5.6% in Guam, versus 2.5% in Japan.

Guam: 5.6% (2025) · Japan: 2.5% (2025)

How much goes to the military?

Guam: no data · Japan: 1.4% (2024)

How expensive is it?

Guam: no data · Japan: 65% (2025)

How much is spent on health?

Guam: no data · Japan: $3,638 (2023)

How many babies don’t reach their first birthday?

Guam: no data · Japan: 1.8 per 1,000 (2024)

How many doctors are there?

Guam: no data · Japan: 2.6 per 1,000 (2022)

How common is obesity?

Guam: no data · Japan: 5.2% (2024)

How many adults smoke?

Guam: no data · Japan: 17.5% (2024)

How do people rate their lives?

Guam: no data · Japan: 6.13 (2025)

How much do people drink?

Guam: no data · Japan: 6.3 litres (2023)

How much meat is on the menu?

Guam: no data · Japan: 59.9 kg (2022)

How much food is there per day?

Guam: no data · Japan: 2,670 kcal (2022)

How long do people work?

Guam: no data · Japan: 1,654 hours (2023)

How long do people go to school?

Guam: no data · Japan: 12.7 years (2023)

How many tourists visit?

Guam welcomed 15 times as many tourists per resident as Japan (2019).

Guam: 4.41 (2024) · Japan: 0.3 (2024)

How many people are online?

86% of people in Japan are online, versus 81% in Guam.

Guam: 81% (2017) · Japan: 86% (2024)

Who has electricity at home?

Guam and Japan are practically level.

Guam: 100% (2024) · Japan: 100% (2024)

How many live in cities?

94% of people in Guam live in cities, versus 92% in Japan.

Guam: 94% (2025) · Japan: 92% (2025)

How many phones per person?

Guam: no data · Japan: 178 (2023)

How much railway is there?

Guam: no data · Japan: 20,087 km (2011)

How much do they fly?

Guam: no data · Japan: 0.98 (2023)

How much of the land is forest?

Forest covers 68% of Japan, but only 52% of Guam.

Guam: 51.9% (2023) · Japan: 68.4% (2023)

How much CO₂ does each person emit?

Guam: no data · Japan: 7.8 t (2024)

How green is the power grid?

24% of Japan’s electricity is renewable, versus 8.6% in Guam.

Guam: 8.6% (2024) · Japan: 23.6% (2025)

How clean is the air?

The air in Japan carries 5.5 times as much fine dust as in Guam.

Guam: 1.9 µg/m³ (2024) · Japan: 10.5 µg/m³ (2024)

How common is murder?

You are 19 times as likely to be murdered in Guam as in Japan.

Guam: 4.3 per 100k (2019) · Japan: 0.2 per 100k (2023)

How dangerous are the roads?

Guam: no data · Japan: 2.7 per 100k (2021)

How warm is it?

Guam: no data · Japan: 12.8°C (2016–2025 avg)

How much rain falls?

Guam: no data · Japan: 1,824 mm (2016–2025 avg)