Land
Size, shape and altitude
How big is it, really?
The United Kingdom fits inside Tanzania 3.9 times.
Tanzania: 947,300 km² (2023) · United Kingdom: 243,610 km² (2023)
How much coast is there?
The United Kingdom’s coastline is 8.7 times as long as Tanzania’s.
Tanzania: 1,424 km (2026 edition) · United Kingdom: 12,429 km (2026 edition)
How high can you climb?
Tanzania’s highest peak towers 4,550 m above the United Kingdom’s.
Tanzania: 5,895 m (2026 edition) · United Kingdom: 1,345 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Tanzania has 2% more people than the United Kingdom.
Tanzania: 70.5 million (2025) · United Kingdom: 69.5 million (2025)
How crowded is it?
The United Kingdom is 3.6 times as densely populated as Tanzania.
Tanzania: 80 per km² (2025) · United Kingdom: 287 per km² (2025)
How tall are the men?
Men in the United Kingdom are 11.2 cm taller than in Tanzania.
Tanzania: 167 cm (2019) · United Kingdom: 178.2 cm (2019)
How tall are the women?
Women in the United Kingdom are 7.1 cm taller than in Tanzania.
Tanzania: 156.9 cm (2019) · United Kingdom: 163.9 cm (2019)
How old is the typical person?
The typical person in the United Kingdom is 23 years older than in Tanzania.
Tanzania: 17.2 years (2023) · United Kingdom: 39.8 years (2023)
How many children per woman?
Women in Tanzania have 3.0 more children on average than in the United Kingdom.
Tanzania: 4.54 children per woman (2024) · United Kingdom: 1.55 children per woman (2024)
How many people are 65 or older?
20% of people in the United Kingdom are 65 or older, versus 3.0% in Tanzania.
Tanzania: 3% (2025) · United Kingdom: 19.7% (2025)
How many Nobel laureates were born there?
The United Kingdom has produced 15.8 Nobel laureates per 10 million people, Tanzania 0.0.
Tanzania: 0 (2025) · United Kingdom: 15.8 (2025)
How many official languages?
Tanzania has 2 official languages, the United Kingdom 1.
Tanzania: 2 (2026) · United Kingdom: 1 (2026)
Money
What an economy looks like per person
How big is the economy?
The United Kingdom’s economy is 44 times the size of Tanzania’s.
Tanzania: $90.1 billion (2025) · United Kingdom: $4 trillion (2025)
How much is produced per person?
The United Kingdom produces 14 times as much per person as Tanzania.
Tanzania: Int$4,471 (2025) · United Kingdom: Int$64,607 (2025)
How evenly is income shared?
Income is more unequally shared in Tanzania than in the United Kingdom (Gini 8.1 points higher).
Tanzania: 40.5 (2018) · United Kingdom: 32.4 (2021)
How many people are looking for work?
Unemployment is 4.7% in the United Kingdom, versus 1.6% in Tanzania.
Tanzania: 1.6% (2025) · United Kingdom: 4.7% (2025)
How much goes to the military?
The United Kingdom spends 2.3% of its GDP on the military, Tanzania 1.2%.
Tanzania: 1.2% (2024) · United Kingdom: 2.3% (2024)
How expensive is it?
The United Kingdom’s price level (US = 100) is 3× Tanzania’s.
Tanzania: 29% (2025) · United Kingdom: 89% (2025)
Health
Long lives, small beginnings
How much is spent on health?
The United Kingdom spends 162 times as much on health per person as Tanzania.
Tanzania: $36 (2023) · United Kingdom: $5,860 (2024)
How long do people live?
People in the United Kingdom live 14 years longer than in Tanzania.
Tanzania: 67.2 years (2024) · United Kingdom: 81.4 years (2024)
How many babies don’t reach their first birthday?
A baby in Tanzania is 7 times as likely to die before turning one as in the United Kingdom.
Tanzania: 28.7 per 1,000 (2024) · United Kingdom: 4.1 per 1,000 (2024)
How many doctors are there?
The United Kingdom has 25 times as many doctors per person as Tanzania.
Tanzania: 0.1 per 1,000 (2022) · United Kingdom: 3.3 per 1,000 (2023)
How common is obesity?
29% of adults in the United Kingdom are obese, versus 10% in Tanzania.
Tanzania: 10.5% (2024) · United Kingdom: 29.2% (2024)
How many adults smoke?
13% of adults in the United Kingdom smoke, versus 7.7% in Tanzania.
Tanzania: 7.7% (2024) · United Kingdom: 12.8% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in the United Kingdom rate their lives 2.79 points higher than in Tanzania.
Tanzania: 3.90 (2025) · United Kingdom: 6.69 (2025)
How much do people drink?
Adults in the United Kingdom drink 7 times as much alcohol as in Tanzania.
Tanzania: 1.5 litres (2023) · United Kingdom: 10.4 litres (2023)
How much meat is on the menu?
The United Kingdom has 6.9 times as much meat per person as Tanzania.
Tanzania: 12.2 kg (2023) · United Kingdom: 84.4 kg (2023)
How much food is there per day?
The United Kingdom has 916 kcal more food per person per day than Tanzania.
Tanzania: 2,518 kcal (2023) · United Kingdom: 3,435 kcal (2023)
How long do people work?
Workers in Tanzania put in 606 more hours a year than in the United Kingdom.
Tanzania: 2,129 hours (2023) · United Kingdom: 1,523 hours (2023)
How long do people go to school?
Adults in the United Kingdom went to school 7.4 years longer than in Tanzania.
Tanzania: 6.1 years (2023) · United Kingdom: 13.5 years (2023)
How many tourists visit?
The United Kingdom welcomed 25 times as many tourists per resident as Tanzania (2019).
Tanzania: 0.02 (2022) · United Kingdom: 0.55 (2024)
Connected
Online, electrified, urban
How many people are online?
95% of people in the United Kingdom are online, versus 31% in Tanzania.
Tanzania: 31% (2024) · United Kingdom: 95% (2024)
Who has electricity at home?
100% of people in the United Kingdom have electricity, versus 52% in Tanzania.
Tanzania: 52.4% (2024) · United Kingdom: 100% (2024)
How many live in cities?
83% of people in the United Kingdom live in cities, versus 37% in Tanzania.
Tanzania: 37% (2025) · United Kingdom: 83% (2025)
How many phones per person?
Tanzania has 127 mobile subscriptions per 100 people, the United Kingdom 122.
Tanzania: 127 (2024) · United Kingdom: 122 (2024)
How much railway is there?
The United Kingdom’s railway network is 6 times as long as Tanzania’s.
Tanzania: 2,701 km (2017) · United Kingdom: 16,179 km (2021)
How much do they fly?
Airlines from the United Kingdom fly 63 times as many passengers per resident as those from Tanzania.
Tanzania: 0.03 (2023) · United Kingdom: 1.71 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 50% of Tanzania, but only 13% of the United Kingdom.
Tanzania: 50.1% (2023) · United Kingdom: 13.3% (2023)
How much CO₂ does each person emit?
The average person in the United Kingdom emits 16 times as much CO₂ as someone in Tanzania.
Tanzania: 0.3 t (2024) · United Kingdom: 4.5 t (2024)
How green is the power grid?
52% of the United Kingdom’s electricity is renewable, versus 33% in Tanzania.
Tanzania: 32.9% (2024) · United Kingdom: 52% (2025)
How clean is the air?
The air in Tanzania carries 2.8 times as much fine dust as in the United Kingdom.
Tanzania: 24.6 µg/m³ (2024) · United Kingdom: 8.8 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 3.4 times as likely to be murdered in Tanzania as in the United Kingdom.
Tanzania: 3.7 per 100k (2020) · United Kingdom: 1.1 per 100k (2021)
How dangerous are the roads?
Roads in Tanzania are 6.6 times as deadly as in the United Kingdom.
Tanzania: 15.8 per 100k (2021) · United Kingdom: 2.4 per 100k (2021)
Climate
What the year feels like
How warm is it?
Tanzania is on average 13.2 °C warmer than the United Kingdom.
Tanzania: 23.1°C (2016–2025 avg) · United Kingdom: 9.9°C (2016–2025 avg)
How much rain falls?
Tanzania gets 3% more rain than the United Kingdom.
Tanzania: 1,102 mm (2016–2025 avg) · United Kingdom: 1,070 mm (2016–2025 avg)
Quick answers
Is Tanzania bigger than the United Kingdom?
Tanzania is larger. The United Kingdom fits inside Tanzania 3.9 times.
Which has more people, Tanzania or the United Kingdom?
Tanzania has 2% more people than the United Kingdom (2025 estimates).
Where do people live longer, Tanzania or the United Kingdom?
People in the United Kingdom live 14 years longer than in Tanzania. Life expectancy at birth is 67.2 years in Tanzania and 81.4 in the United Kingdom.
Are people taller in Tanzania or the United Kingdom?
Men in the United Kingdom are 11.2 cm taller than in Tanzania (NCD-RisC, cohort born 2019).
