Land
Size, shape and altitude
How big is it, really?
Guinea-Bissau fits inside Senegal 5.4 times.
Guinea-Bissau: 36,130 km² (2023) · Senegal: 196,710 km² (2023)
How much coast is there?
Senegal’s coastline is 52% longer than Guinea-Bissau’s.
Guinea-Bissau: 350 km (2026 edition) · Senegal: 531 km (2026 edition)
How high can you climb?
Senegal’s highest peak towers 371 m above Guinea-Bissau’s.
Guinea-Bissau: 277 m (2026 edition) · Senegal: 648 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Senegal has 8.4 times as many people as Guinea-Bissau.
Guinea-Bissau: 2.25 million (2025) · Senegal: 18.9 million (2025)
How crowded is it?
Senegal is 23% more densely populated than Guinea-Bissau.
Guinea-Bissau: 80 per km² (2025) · Senegal: 98 per km² (2025)
How tall are the men?
Men in Senegal are 8.0 cm taller than in Guinea-Bissau.
Guinea-Bissau: 168.2 cm (2019) · Senegal: 176.2 cm (2019)
How tall are the women?
Women in Senegal are 5.2 cm taller than in Guinea-Bissau.
Guinea-Bissau: 158.7 cm (2019) · Senegal: 163.9 cm (2019)
How old is the typical person?
The typical person in Senegal is 0.19 years older than in Guinea-Bissau.
Guinea-Bissau: 18.9 years (2023) · Senegal: 19.1 years (2023)
How many children per woman?
Senegal and Guinea-Bissau are practically level.
Guinea-Bissau: 3.76 children per woman (2024) · Senegal: 3.77 children per woman (2024)
How many people are 65 or older?
Senegal and Guinea-Bissau are practically level.
Guinea-Bissau: 3.2% (2025) · Senegal: 3.6% (2025)
How many Nobel laureates were born there?
Guinea-Bissau and Senegal are practically level.
Guinea-Bissau: 0 (2025) · Senegal: 0 (2025)
How many official languages?
Guinea-Bissau has 2 official languages, Senegal 1.
Guinea-Bissau: 2 (2026) · Senegal: 1 (2026)
Money
What an economy looks like per person
How big is the economy?
Senegal’s economy is 15 times the size of Guinea-Bissau’s.
Guinea-Bissau: $2.53 billion (2025) · Senegal: $37 billion (2025)
How much is produced per person?
Senegal produces 66% more per person than Guinea-Bissau.
Guinea-Bissau: Int$3,293 (2025) · Senegal: Int$5,463 (2025)
How evenly is income shared?
Income is more unequally shared in Senegal than in Guinea-Bissau (Gini 2.8 points higher).
Guinea-Bissau: 33.4 (2021) · Senegal: 36.2 (2021)
How many people are looking for work?
Senegal and Guinea-Bissau are practically level.
Guinea-Bissau: 2.7% (2025) · Senegal: 2.7% (2025)
How much goes to the military?
Senegal and Guinea-Bissau are practically level.
Guinea-Bissau: 1.2% (2023) · Senegal: 1.6% (2024)
How expensive is it?
Senegal’s price level (US = 100) is 1× Guinea-Bissau’s.
Guinea-Bissau: 34% (2025) · Senegal: 36% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Guinea-Bissau spends 12% more on health per person than Senegal.
Guinea-Bissau: $82 (2023) · Senegal: $73 (2023)
How long do people live?
People in Senegal live 4.7 years longer than in Guinea-Bissau.
Guinea-Bissau: 64.3 years (2024) · Senegal: 68.9 years (2024)
How many babies don’t reach their first birthday?
A baby in Guinea-Bissau is 46% more likely to die before turning one than in Senegal.
Guinea-Bissau: 42.1 per 1,000 (2024) · Senegal: 28.9 per 1,000 (2024)
How many doctors are there?
Guinea-Bissau has 2.3 times as many doctors per person as Senegal.
Guinea-Bissau: 0.3 per 1,000 (2022) · Senegal: 0.1 per 1,000 (2023)
How common is obesity?
11% of adults in Guinea-Bissau are obese, versus 10% in Senegal.
Guinea-Bissau: 11.4% (2024) · Senegal: 10.3% (2024)
How many adults smoke?
8.2% of adults in Guinea-Bissau smoke, versus 5.4% in Senegal.
Guinea-Bissau: 8.2% (2024) · Senegal: 5.4% (2024)
Everyday life
Plates, glasses and happiness
How do people rate their lives?
Guinea-Bissau: no data · Senegal: 4.79 (2025)
How much do people drink?
Adults in Guinea-Bissau drink 9.4 times as much alcohol as in Senegal.
Guinea-Bissau: 3.1 litres (2023) · Senegal: 0.3 litres (2023)
How much meat is on the menu?
Senegal has 43% more meat per person than Guinea-Bissau.
Guinea-Bissau: 14 kg (2023) · Senegal: 20 kg (2023)
How much food is there per day?
Senegal has 288 kcal more food per person per day than Guinea-Bissau.
Guinea-Bissau: 2,560 kcal (2023) · Senegal: 2,848 kcal (2023)
How long do people work?
Guinea-Bissau: no data · Senegal: 2,335 hours (2023)
How long do people go to school?
Adults in Guinea-Bissau went to school 0.74 years longer than in Senegal.
Guinea-Bissau: 3.7 years (2023) · Senegal: 2.9 years (2023)
How many tourists visit?
Senegal welcomed 3.3 times as many tourists per resident as Guinea-Bissau (2019).
Guinea-Bissau: 0.03 (2019) · Senegal: 0.09 (2017)
Connected
Online, electrified, urban
How many people are online?
60% of people in Senegal are online, versus 30% in Guinea-Bissau.
Guinea-Bissau: 30% (2024) · Senegal: 60% (2024)
Who has electricity at home?
83% of people in Senegal have electricity, versus 44% in Guinea-Bissau.
Guinea-Bissau: 43.7% (2024) · Senegal: 82.9% (2024)
How many live in cities?
56% of people in Senegal live in cities, versus 47% in Guinea-Bissau.
Guinea-Bissau: 47% (2025) · Senegal: 56% (2025)
How many phones per person?
Guinea-Bissau has 147 mobile subscriptions per 100 people, Senegal 124.
Guinea-Bissau: 147 (2024) · Senegal: 124 (2024)
How much railway is there?
Guinea-Bissau: no data · Senegal: 906 km (2017)
How much do they fly?
Guinea-Bissau: no data · Senegal: 0.06 (2023)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 70% of Guinea-Bissau, but only 41% of Senegal.
Guinea-Bissau: 69.5% (2023) · Senegal: 41.3% (2023)
How much CO₂ does each person emit?
The average person in Senegal emits 4.9 times as much CO₂ as someone in Guinea-Bissau.
Guinea-Bissau: 0.2 t (2024) · Senegal: 0.8 t (2024)
How green is the power grid?
20% of Senegal’s electricity is renewable, versus 0.0% in Guinea-Bissau.
Guinea-Bissau: 0% (2024) · Senegal: 19.8% (2024)
How clean is the air?
The air in Senegal carries 26% more fine dust than in Guinea-Bissau.
Guinea-Bissau: 29 µg/m³ (2024) · Senegal: 36.5 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
Guinea-Bissau: 1.1 per 100k (2017) · Senegal: no data
How dangerous are the roads?
Roads in Guinea-Bissau are 47% deadlier than in Senegal.
Guinea-Bissau: 30.5 per 100k (2021) · Senegal: 20.8 per 100k (2021)
Climate
What the year feels like
How warm is it?
Senegal is on average 1.3 °C warmer than Guinea-Bissau.
Guinea-Bissau: 27.8°C (2016–2025 avg) · Senegal: 29.1°C (2016–2025 avg)
How much rain falls?
Guinea-Bissau gets 2.9 times as much rain as Senegal.
Guinea-Bissau: 1,492 mm (2016–2025 avg) · Senegal: 518 mm (2016–2025 avg)
Quick answers
Is Guinea-Bissau bigger than Senegal?
Senegal is larger. Guinea-Bissau fits inside Senegal 5.4 times.
Which has more people, Guinea-Bissau or Senegal?
Senegal has 8.4 times as many people as Guinea-Bissau (2025 estimates).
Where do people live longer, Guinea-Bissau or Senegal?
People in Senegal live 4.7 years longer than in Guinea-Bissau. Life expectancy at birth is 64.3 years in Guinea-Bissau and 68.9 in Senegal.
Are people taller in Guinea-Bissau or Senegal?
Men in Senegal are 8.0 cm taller than in Guinea-Bissau (NCD-RisC, cohort born 2019).
