The duel
Land
Size, shape and altitude
How big is it, really?
Ireland: 70,280 km² (2023) · Jersey: no data
How much coast is there?
Ireland’s coastline is 21 times as long as Jersey’s.
Ireland: 1,448 km (2026 edition) · Jersey: 70 km (2026 edition)
How high can you climb?
Ireland’s highest peak towers 905 m above Jersey’s.
Ireland: 1,041 m (2026 edition) · Jersey: 136 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Ireland: 5.48 million (2025) · Jersey: no data
How crowded is it?
Ireland: 80 per km² (2025) · Jersey: no data
How tall are the men?
Ireland: 179 cm (2019) · Jersey: no data
How tall are the women?
Ireland: 164.5 cm (2019) · Jersey: no data
How old is the typical person?
The typical person in Jersey is 4.7 years older than in Ireland.
Ireland: 38.4 years (2023) · Jersey: 43.1 years (2023)
How many children per woman?
Ireland: 1.47 children per woman (2024) · Jersey: no data
How many people are 65 or older?
Ireland: 16.2% (2025) · Jersey: no data
How many Nobel laureates were born there?
Ireland: 9.1 (2025) · Jersey: no data
How many official languages?
Jersey has 3 official languages, Ireland 2.
Ireland: 2 (2026) · Jersey: 3 (2026)
Money
What an economy looks like per person
How big is the economy?
Ireland: $722 billion (2025) · Jersey: no data
How much is produced per person?
Ireland: Int$155,089 (2025) · Jersey: no data
How evenly is income shared?
Ireland: 29 (2023) · Jersey: no data
How many people are looking for work?
Ireland: 4.6% (2025) · Jersey: no data
How much goes to the military?
Ireland: 0.2% (2024) · Jersey: no data
How expensive is it?
Ireland: 85% (2025) · Jersey: no data
Health
Long lives, small beginnings
How much is spent on health?
Ireland: $7,395 (2024) · Jersey: no data
How long do people live?
Ireland: 83 years (2024) · Jersey: no data
How many babies don’t reach their first birthday?
Ireland: 3.4 per 1,000 (2024) · Jersey: no data
How many doctors are there?
Ireland: 3.9 per 1,000 (2023) · Jersey: no data
How common is obesity?
Ireland: 30.6% (2024) · Jersey: no data
How many adults smoke?
Ireland: 18.2% (2024) · Jersey: no data
Everyday life
Plates, glasses and happiness
How do people rate their lives?
Ireland: 6.93 (2025) · Jersey: no data
How much do people drink?
Ireland: 10.3 litres (2023) · Jersey: no data
How much meat is on the menu?
Ireland: 98.4 kg (2023) · Jersey: no data
How much food is there per day?
Ireland: 3,921 kcal (2023) · Jersey: no data
How long do people work?
Ireland: 1,654 hours (2023) · Jersey: no data
How long do people go to school?
Ireland: 11.7 years (2023) · Jersey: no data
How many tourists visit?
Ireland: 2.2 (2019) · Jersey: no data
Connected
Online, electrified, urban
How many people are online?
Ireland: 97% (2024) · Jersey: no data
Who has electricity at home?
Ireland: 100% (2024) · Jersey: no data
How many live in cities?
Ireland: 65% (2025) · Jersey: no data
How many phones per person?
Ireland: 113 (2024) · Jersey: no data
How much railway is there?
Ireland: 1,650 km (2021) · Jersey: no data
How much do they fly?
Ireland: 35.11 (2023) · Jersey: no data
Planet
Air, forests and energy
How much of the land is forest?
Ireland: 11.5% (2023) · Jersey: no data
How much CO₂ does each person emit?
Ireland: 6.3 t (2024) · Jersey: no data
How green is the power grid?
Ireland: 48.1% (2025) · Jersey: no data
How clean is the air?
The air in Jersey carries 9% more fine dust than in Ireland.
Ireland: 7.4 µg/m³ (2024) · Jersey: 8.1 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
Ireland: 0.7 per 100k (2023) · Jersey: no data
How dangerous are the roads?
Ireland: 2.8 per 100k (2021) · Jersey: no data
Climate
What the year feels like
How warm is it?
Ireland: 10.3°C (2016–2025 avg) · Jersey: no data
How much rain falls?
Ireland: 1,139 mm (2016–2025 avg) · Jersey: no data
