Japan’s coastline is 21 times as long as Ireland’s

Ireland: 1,448 km (2026 edition) · Japan: 29,751 km (2026 edition)

Japan’s highest peak towers 2,735 m above Ireland’s

Ireland: 1,041 m (2026 edition) · Japan: 3,776 m (2026 edition)

Farmland covers 65% of Ireland, versus 13% of Japan

Ireland: 65.1% (2024) · Japan: 12.6% (2024)

Japan has 22 times as many people as Ireland

Ireland: 5.48 million (2025) · Japan: 123 million (2025)

Japan is 4.3 times as densely populated as Ireland

Ireland: 80 per km² (2025) · Japan: 338 per km² (2025)

The typical person in Japan is 11 years older than in Ireland

Ireland: 38.4 years (2023) · Japan: 49 years (2023)

Women in Ireland have 0.3 more children on average than in Japan

Ireland: 1.47 children per woman (2024) · Japan: 1.15 children per woman (2024)

30% of people in Japan are 65 or older, versus 16% in Ireland

Ireland: 16.2% (2025) · Japan: 30% (2025)

Ireland hosts 73 times as many refugees per resident as Japan

Ireland: 25.1 per 1,000 (2025) · Japan: 0.3 per 1,000 (2025)

Ireland has produced 9.1 Nobel laureates per 10 million people, Japan 2.5

Ireland: 9.1 (2026) · Japan: 2.5 (2026)

Ireland has 2 official languages, Japan 1

Ireland: 2 (2026) · Japan: 1 (2026)

Japan’s economy is 6.1 times the size of Ireland’s

Ireland: $722 billion (2025) · Japan: $4.44 trillion (2025)

Ireland produces 2.8 times as much per person as Japan

Ireland: Int$155,089 (2025) · Japan: Int$55,422 (2025)

Income is more unequally shared in Japan than in Ireland (Gini 3.3 points higher)

Ireland: 29 (2023) · Japan: 32.3 (2020)

1.2% of people in Japan live on less than $3 a day, versus 0.1% in Ireland

Ireland: 0.1% (2023) · Japan: 1.2% (2020)

Unemployment is 4.6% in Ireland, versus 2.5% in Japan

Ireland: 4.6% (2025) · Japan: 2.5% (2025)

Japan spends 1.4% of its GDP on the military, Ireland 0.2%

Ireland: 0.2% (2025) · Japan: 1.4% (2025)

Ireland: 17.9% (2024) · Japan: no data

Ireland’s price level (US = 100) is 1.3× Japan’s

Ireland: 85% (2025) · Japan: 65% (2025)

Ireland spends 2 times as much on health per person as Japan

Ireland: $7,395 (2024) · Japan: $3,638 (2023)

A baby in Ireland is 89% more likely to die before turning one than in Japan

Ireland: 3.4 per 1,000 (2024) · Japan: 1.8 per 1,000 (2024)

Ireland has 46% more doctors per person than Japan

Ireland: 3.9 per 1,000 (2023) · Japan: 2.6 per 1,000 (2022)

Japan has 4.3 times as many hospital beds per person as Ireland

Ireland: 3 per 1,000 (2023) · Japan: 12.6 per 1,000 (2022)

The suicide rate in Japan is 2 times that in Ireland

Ireland: 7.2 per 100k (2023) · Japan: 14.4 per 100k (2023)

31% of adults in Ireland are obese, versus 5.2% in Japan

Ireland: 30.6% (2024) · Japan: 5.2% (2024)

18% of adults in Ireland smoke, versus 18% in Japan

Ireland: 18.2% (2024) · Japan: 17.5% (2024)

People in Ireland rate their lives 0.80 points higher than in Japan

Ireland: 6.93 (2025) · Japan: 6.13 (2025)

Adults in Ireland drink 64% more alcohol than in Japan

Ireland: 10.3 litres (2023) · Japan: 6.3 litres (2023)

Ireland has 64% more meat per person than Japan

Ireland: 98.4 kg (2023) · Japan: 59.9 kg (2022)

Ireland has 1,251 kcal more food per person per day than Japan

Ireland: 3,921 kcal (2023) · Japan: 2,670 kcal (2022)

Ireland and Japan are practically level

Ireland: 1,654 hours (2023) · Japan: 1,654 hours (2023)

Adults in Japan went to school 0.96 year longer than in Ireland

Ireland: 11.7 years (2023) · Japan: 12.7 years (2023)

Ireland welcomed 7.4 times as many tourists per resident as Japan (2019)

Ireland: 2.2 (2019) · Japan: 0.3 (2024)

Japan has 25 more World Heritage sites than Ireland (27 against 2)

Ireland: 2 (2026) · Japan: 27 (2026)

Japan has won 642 Olympic medals, Ireland 42

Ireland: 42 (2026 edition) · Japan: 642 (2026 edition)

97% of people in Ireland are online, versus 86% in Japan

Ireland: 97% (2024) · Japan: 86% (2024)

Home internet in Japan is 7% faster than in Ireland

Ireland: 300 Mbps (2026) · Japan: 322 Mbps (2026)

Ireland and Japan are practically level

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

92% of people in Japan live in cities, versus 65% in Ireland

Ireland: 65% (2025) · Japan: 92% (2025)

Japan has 178 mobile subscriptions per 100 people, Ireland 113

Ireland: 113 (2024) · Japan: 178 (2023)

Japan’s railway network is 12 times as long as Ireland’s

Ireland: 1,650 km (2021) · Japan: 20,087 km (2011)

Airlines from Ireland fly 36 times as many passengers per resident as those from Japan

Ireland: 35.11 (2023) · Japan: 0.98 (2023)

Forest covers 68% of Japan, but only 12% of Ireland

Ireland: 12% (2024) · Japan: 68.3% (2024)

The average person in Japan emits 23% more CO₂ than someone in Ireland

Ireland: 6.3 t (2024) · Japan: 7.8 t (2024)

48% of Ireland’s electricity is renewable, versus 24% in Japan

Ireland: 48.1% (2025) · Japan: 23.6% (2025)

The air in Japan carries 42% more fine dust than in Ireland

Ireland: 7.4 µg/m³ (2024) · Japan: 10.5 µg/m³ (2024)

You are 2.9 times as likely to be murdered in Ireland as in Japan

Ireland: 0.7 per 100k (2023) · Japan: 0.2 per 100k (2023)

Roads in Ireland are 37% deadlier than in Japan

Ireland: 5.2 per 100k (2023) · Japan: 3.8 per 100k (2023)

Japan is on average 2.5 °C warmer than Ireland

Ireland: 10.3°C (2016–2025 avg) · Japan: 12.8°C (2016–2025 avg)

Japan gets 60% more rain than Ireland

Ireland: 1,139 mm (2016–2025 avg) · Japan: 1,824 mm (2016–2025 avg)