Land
Size, shape and altitude
How big is it, really?
Singapore fits inside Iran 2,397 times.
Iran: 1,745,150 km² (2023) · Singapore: 728 km² (2023)
How much coast is there?
Iran’s coastline is 13 times as long as Singapore’s.
Iran: 2,440 km (2026 edition) · Singapore: 193 km (2026 edition)
How high can you climb?
Iran’s highest peak towers 5,459 m above Singapore’s.
Iran: 5,625 m (2026 edition) · Singapore: 166 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Iran has 15 times as many people as Singapore.
Iran: 92.4 million (2025) · Singapore: 6.11 million (2025)
How crowded is it?
Singapore is 149 times as densely populated as Iran.
Iran: 57 per km² (2025) · Singapore: 8,511 per km² (2025)
How tall are the men?
Men in Iran are 2.1 cm taller than in Singapore.
Iran: 175.6 cm (2019) · Singapore: 173.5 cm (2019)
How tall are the women?
Singapore and Iran are practically level.
Iran: 161.2 cm (2019) · Singapore: 161.3 cm (2019)
How old is the typical person?
The typical person in Singapore is 2.2 years older than in Iran.
Iran: 32.9 years (2023) · Singapore: 35.1 years (2023)
How many children per woman?
Women in Iran have 0.7 more children on average than in Singapore.
Iran: 1.68 children per woman (2024) · Singapore: 0.97 children per woman (2024)
How many people are 65 or older?
14% of people in Singapore are 65 or older, versus 8.6% in Iran.
Iran: 8.6% (2025) · Singapore: 14.2% (2025)
How many Nobel laureates were born there?
Iran has produced 0.3 Nobel laureates per 10 million people, Singapore 0.0.
Iran: 0.3 (2025) · Singapore: 0 (2025)
How many official languages?
Singapore has 4 official languages, Iran 1.
Iran: 1 (2026) · Singapore: 4 (2026)
Money
What an economy looks like per person
How big is the economy?
Singapore’s economy is 67% larger than Iran’s.
Iran: $363 billion (2025) · Singapore: $604 billion (2025)
How much is produced per person?
Singapore produces 8.3 times as much per person as Iran.
Iran: Int$19,699 (2025) · Singapore: Int$163,354 (2025)
How evenly is income shared?
Iran: 35.9 (2023) · Singapore: no data
How many people are looking for work?
Unemployment is 8.3% in Iran, versus 2.8% in Singapore.
Iran: 8.3% (2025) · Singapore: 2.8% (2025)
How much goes to the military?
Singapore spends 2.8% of its GDP on the military, Iran 2.0%.
Iran: 2% (2024) · Singapore: 2.8% (2024)
How expensive is it?
Singapore’s price level (US = 100) is 3× Iran’s.
Iran: 20% (2025) · Singapore: 60% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Singapore spends 15 times as much on health per person as Iran.
Iran: $267 (2023) · Singapore: $3,922 (2023)
How long do people live?
People in Singapore live 5.5 years longer than in Iran.
Iran: 77.9 years (2024) · Singapore: 83.3 years (2024)
How many babies don’t reach their first birthday?
A baby in Iran is 4.7 times as likely to die before turning one as in Singapore.
Iran: 10.3 per 1,000 (2024) · Singapore: 2.2 per 1,000 (2024)
How many doctors are there?
Singapore has 56% more doctors per person than Iran.
Iran: 1.8 per 1,000 (2023) · Singapore: 2.8 per 1,000 (2022)
How common is obesity?
26% of adults in Iran are obese, versus 17% in Singapore.
Iran: 25.7% (2024) · Singapore: 16.8% (2024)
How many adults smoke?
14% of adults in Singapore smoke, versus 12% in Iran.
Iran: 11.9% (2024) · Singapore: 13.8% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
People in Singapore rate their lives 1.43 points higher than in Iran.
Iran: 5.15 (2025) · Singapore: 6.59 (2025)
How much do people drink?
Adults in Singapore drink 105 times as much alcohol as in Iran.
Iran: 0.021 litres (2023) · Singapore: 2.2 litres (2023)
How much meat is on the menu?
Iran: 29.9 kg (2023) · Singapore: no data
How much food is there per day?
Iran: 2,875 kcal (2023) · Singapore: no data
How long do people work?
Workers in Singapore put in 37 more hours a year than in Iran.
Iran: 2,246 hours (2023) · Singapore: 2,283 hours (2023)
How long do people go to school?
Adults in Singapore went to school 1.1 years longer than in Iran.
Iran: 10.8 years (2023) · Singapore: 12 years (2023)
How many tourists visit?
Iran: no data · Singapore: 2.16 (2024)
Connected
Online, electrified, urban
How many people are online?
94% of people in Singapore are online, versus 85% in Iran.
Iran: 85% (2024) · Singapore: 94% (2024)
Who has electricity at home?
Iran and Singapore are practically level.
Iran: 100% (2024) · Singapore: 100% (2024)
How many live in cities?
100% of people in Singapore live in cities, versus 77% in Iran.
Iran: 77% (2025) · Singapore: 100% (2025)
How many phones per person?
Iran has 174 mobile subscriptions per 100 people, Singapore 171.
Iran: 174 (2024) · Singapore: 171 (2024)
How much railway is there?
Iran: 9,455 km (2021) · Singapore: no data
How much do they fly?
Airlines from Singapore fly 40 times as many passengers per resident as those from Iran.
Iran: 0.2 (2023) · Singapore: 7.77 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 21% of Singapore, but only 6.6% of Iran.
Iran: 6.6% (2023) · Singapore: 20.9% (2023)
How much CO₂ does each person emit?
The average person in Singapore emits 7% more CO₂ than someone in Iran.
Iran: 8.7 t (2024) · Singapore: 9.2 t (2024)
How green is the power grid?
5.5% of Singapore’s electricity is renewable, versus 3.8% in Iran.
Iran: 3.8% (2025) · Singapore: 5.5% (2025)
How clean is the air?
The air in Iran carries 3.1 times as much fine dust as in Singapore.
Iran: 37.7 µg/m³ (2024) · Singapore: 12.2 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 34 times as likely to be murdered in Iran as in Singapore.
Iran: 2.4 per 100k (2014) · Singapore: 0.1 per 100k (2023)
How dangerous are the roads?
Roads in Iran are 11 times as deadly as in Singapore.
Iran: 20.6 per 100k (2021) · Singapore: 1.9 per 100k (2021)
Climate
What the year feels like
How warm is it?
Iran: 19.3°C (2016–2025 avg) · Singapore: no data
How much rain falls?
Iran: 272 mm (2016–2025 avg) · Singapore: no data
Quick answers
Is Iran bigger than Singapore?
Iran is larger. Singapore fits inside Iran 2,397 times.
Which has more people, Iran or Singapore?
Iran has 15 times as many people as Singapore (2025 estimates).
Where do people live longer, Iran or Singapore?
People in Singapore live 5.5 years longer than in Iran. Life expectancy at birth is 77.9 years in Iran and 83.3 in Singapore.
Are people taller in Iran or Singapore?
Men in Iran are 2.1 cm taller than in Singapore (NCD-RisC, cohort born 2019).