Land
Size, shape and altitude
How big is it, really?
Ireland fits inside Tanzania 13 times.
Ireland: 70,280 km² (2023) · Tanzania: 947,300 km² (2023)
How much coast is there?
Ireland’s coastline is 2% longer than Tanzania’s.
Ireland: 1,448 km (2026 edition) · Tanzania: 1,424 km (2026 edition)
How high can you climb?
Tanzania’s highest peak towers 4,854 m above Ireland’s.
Ireland: 1,041 m (2026 edition) · Tanzania: 5,895 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Tanzania has 13 times as many people as Ireland.
Ireland: 5.48 million (2025) · Tanzania: 70.5 million (2025)
How crowded is it?
Tanzania and Ireland are nearly identical here.
Ireland: 80 per km² (2025) · Tanzania: 80 per km² (2025)
How tall are the men?
Men in Ireland are 12.1 cm taller than in Tanzania.
Ireland: 179 cm (2019) · Tanzania: 167 cm (2019)
How tall are the women?
Women in Ireland are 7.6 cm taller than in Tanzania.
Ireland: 164.5 cm (2019) · Tanzania: 156.9 cm (2019)
How old is the typical person?
The typical person in Ireland is 21 years older than in Tanzania.
Ireland: 38.4 years (2023) · Tanzania: 17.2 years (2023)
How many children per woman?
Women in Tanzania have 3.1 more children on average than in Ireland.
Ireland: 1.47 children per woman (2024) · Tanzania: 4.54 children per woman (2024)
How many people are 65 or older?
16% of people in Ireland are 65 or older, versus 3.0% in Tanzania.
Ireland: 16.2% (2025) · Tanzania: 3% (2025)
How many Nobel laureates were born there?
Ireland has produced 9.1 Nobel laureates per 10 million people, Tanzania 0.0.
Ireland: 9.1 (2025) · Tanzania: 0 (2025)
How many official languages?
Ireland and Tanzania are practically level.
Ireland: 2 (2026) · Tanzania: 2 (2026)
Money
What an economy looks like per person
How big is the economy?
Ireland’s economy is 8 times the size of Tanzania’s.
Ireland: $722 billion (2025) · Tanzania: $90.1 billion (2025)
How much is produced per person?
Ireland produces 35 times as much per person as Tanzania.
Ireland: Int$155,089 (2025) · Tanzania: Int$4,471 (2025)
How evenly is income shared?
Income is more unequally shared in Tanzania than in Ireland (Gini 11.5 points higher).
Ireland: 29 (2023) · Tanzania: 40.5 (2018)
How many people are looking for work?
Unemployment is 4.6% in Ireland, versus 1.6% in Tanzania.
Ireland: 4.6% (2025) · Tanzania: 1.6% (2025)
How much goes to the military?
Tanzania spends 1.2% of its GDP on the military, Ireland 0.2%.
Ireland: 0.2% (2024) · Tanzania: 1.2% (2024)
How expensive is it?
Ireland’s price level (US = 100) is 2.9× Tanzania’s.
Ireland: 85% (2025) · Tanzania: 29% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Ireland spends 204 times as much on health per person as Tanzania.
Ireland: $7,395 (2024) · Tanzania: $36 (2023)
How long do people live?
People in Ireland live 16 years longer than in Tanzania.
Ireland: 83 years (2024) · Tanzania: 67.2 years (2024)
How many babies don’t reach their first birthday?
A baby in Tanzania is 8.4 times as likely to die before turning one as in Ireland.
Ireland: 3.4 per 1,000 (2024) · Tanzania: 28.7 per 1,000 (2024)
How many doctors are there?
Ireland has 29 times as many doctors per person as Tanzania.
Ireland: 3.9 per 1,000 (2023) · Tanzania: 0.1 per 1,000 (2022)
How common is obesity?
31% of adults in Ireland are obese, versus 10% in Tanzania.
Ireland: 30.6% (2024) · Tanzania: 10.5% (2024)
How many adults smoke?
18% of adults in Ireland smoke, versus 7.7% in Tanzania.
Ireland: 18.2% (2024) · Tanzania: 7.7% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in Ireland rate their lives 3.03 points higher than in Tanzania.
Ireland: 6.93 (2025) · Tanzania: 3.90 (2025)
How much do people drink?
Adults in Ireland drink 6.9 times as much alcohol as in Tanzania.
Ireland: 10.3 litres (2023) · Tanzania: 1.5 litres (2023)
How much meat is on the menu?
Ireland has 8.1 times as much meat per person as Tanzania.
Ireland: 98.4 kg (2023) · Tanzania: 12.2 kg (2023)
How much food is there per day?
Ireland has 1,403 kcal more food per person per day than Tanzania.
Ireland: 3,921 kcal (2023) · Tanzania: 2,518 kcal (2023)
How long do people work?
Workers in Tanzania put in 475 more hours a year than in Ireland.
Ireland: 1,654 hours (2023) · Tanzania: 2,129 hours (2023)
How long do people go to school?
Adults in Ireland went to school 5.7 years longer than in Tanzania.
Ireland: 11.7 years (2023) · Tanzania: 6.1 years (2023)
How many tourists visit?
Ireland welcomed 98 times as many tourists per resident as Tanzania (2019).
Ireland: 2.2 (2019) · Tanzania: 0.02 (2022)
Connected
Online, electrified, urban
How many people are online?
97% of people in Ireland are online, versus 31% in Tanzania.
Ireland: 97% (2024) · Tanzania: 31% (2024)
Who has electricity at home?
100% of people in Ireland have electricity, versus 52% in Tanzania.
Ireland: 100% (2024) · Tanzania: 52.4% (2024)
How many live in cities?
65% of people in Ireland live in cities, versus 37% in Tanzania.
Ireland: 65% (2025) · Tanzania: 37% (2025)
How many phones per person?
Tanzania has 127 mobile subscriptions per 100 people, Ireland 113.
Ireland: 113 (2024) · Tanzania: 127 (2024)
How much railway is there?
Tanzania’s railway network is 64% longer than Ireland’s.
Ireland: 1,650 km (2021) · Tanzania: 2,701 km (2017)
How much do they fly?
Airlines from Ireland fly 1,296 times as many passengers per resident as those from Tanzania.
Ireland: 35.11 (2023) · Tanzania: 0.03 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 50% of Tanzania, but only 12% of Ireland.
Ireland: 11.5% (2023) · Tanzania: 50.1% (2023)
How much CO₂ does each person emit?
The average person in Ireland emits 22 times as much CO₂ as someone in Tanzania.
Ireland: 6.3 t (2024) · Tanzania: 0.3 t (2024)
How green is the power grid?
48% of Ireland’s electricity is renewable, versus 33% in Tanzania.
Ireland: 48.1% (2025) · Tanzania: 32.9% (2024)
How clean is the air?
The air in Tanzania carries 3.3 times as much fine dust as in Ireland.
Ireland: 7.4 µg/m³ (2024) · Tanzania: 24.6 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 5.7 times as likely to be murdered in Tanzania as in Ireland.
Ireland: 0.7 per 100k (2023) · Tanzania: 3.7 per 100k (2020)
How dangerous are the roads?
Roads in Tanzania are 5.6 times as deadly as in Ireland.
Ireland: 2.8 per 100k (2021) · Tanzania: 15.8 per 100k (2021)
Climate
What the year feels like
How warm is it?
Tanzania is on average 12.9 °C warmer than Ireland.
Ireland: 10.3°C (2016–2025 avg) · Tanzania: 23.1°C (2016–2025 avg)
How much rain falls?
Ireland gets 3% more rain than Tanzania.
Ireland: 1,139 mm (2016–2025 avg) · Tanzania: 1,102 mm (2016–2025 avg)
Quick answers
Is Ireland bigger than Tanzania?
Tanzania is larger. Ireland fits inside Tanzania 13 times.
Which has more people, Ireland or Tanzania?
Tanzania has 13 times as many people as Ireland (2025 estimates).
Where do people live longer, Ireland or Tanzania?
People in Ireland live 16 years longer than in Tanzania. Life expectancy at birth is 83.0 years in Ireland and 67.2 in Tanzania.
Are people taller in Ireland or Tanzania?
Men in Ireland are 12.1 cm taller than in Tanzania (NCD-RisC, cohort born 2019).
