Land
Size, shape and altitude
How big is it, really?
Dominica is 21% bigger than Saint Lucia.
Dominica: 750 km² (2023) · Saint Lucia: 620 km² (2023)
How much coast is there?
Saint Lucia’s coastline is 7% longer than Dominica’s.
Dominica: 148 km (2026 edition) · Saint Lucia: 158 km (2026 edition)
How high can you climb?
Dominica’s highest peak towers 499 m above Saint Lucia’s.
Dominica: 1,447 m (2026 edition) · Saint Lucia: 948 m (2026 edition)
People
Who lives there, and how closely
How many people live there?
Saint Lucia has 2.7 times as many people as Dominica.
Dominica: 65,871 (2025) · Saint Lucia: 180,149 (2025)
How crowded is it?
Saint Lucia is 3.4 times as densely populated as Dominica.
Dominica: 88 per km² (2025) · Saint Lucia: 295 per km² (2025)
How tall are the men?
Men in Dominica are 3.7 cm taller than in Saint Lucia.
Dominica: 180.2 cm (2019) · Saint Lucia: 176.4 cm (2019)
How tall are the women?
Women in Dominica are 1.4 cm taller than in Saint Lucia.
Dominica: 166.9 cm (2019) · Saint Lucia: 165.5 cm (2019)
How old is the typical person?
The typical person in Dominica is 1.9 years older than in Saint Lucia.
Dominica: 35.6 years (2023) · Saint Lucia: 33.7 years (2023)
How many children per woman?
Women in Dominica have 0.1 more children on average than in Saint Lucia.
Dominica: 1.48 children per woman (2024) · Saint Lucia: 1.39 children per woman (2024)
How many people are 65 or older?
13% of people in Dominica are 65 or older, versus 10.0% in Saint Lucia.
Dominica: 13.2% (2025) · Saint Lucia: 10% (2025)
How many official languages?
Dominica and Saint Lucia are practically level.
Dominica: 1 (2026) · Saint Lucia: 1 (2026)
Money
What an economy looks like per person
How big is the economy?
Saint Lucia’s economy is 3.7 times the size of Dominica’s.
Dominica: $724 million (2025) · Saint Lucia: $2.66 billion (2025)
How much is produced per person?
Saint Lucia produces 26% more per person than Dominica.
Dominica: Int$22,713 (2025) · Saint Lucia: Int$28,674 (2025)
How evenly is income shared?
Dominica: no data · Saint Lucia: 43.7 (2015)
How many people are looking for work?
Dominica: no data · Saint Lucia: 9.5% (2025)
How expensive is it?
Saint Lucia’s price level (US = 100) is 1.1× Dominica’s.
Dominica: 48% (2025) · Saint Lucia: 51% (2025)
Health
Long lives, small beginnings
How much is spent on health?
Saint Lucia spends 30% more on health per person than Dominica.
Dominica: $492 (2023) · Saint Lucia: $641 (2023)
How long do people live?
People in Saint Lucia live 1.6 years longer than in Dominica.
Dominica: 71.3 years (2024) · Saint Lucia: 72.8 years (2024)
How many babies don’t reach their first birthday?
A baby in Dominica is 2.1 times as likely to die before turning one as in Saint Lucia.
Dominica: 33.3 per 1,000 (2024) · Saint Lucia: 15.8 per 1,000 (2024)
How many doctors are there?
Saint Lucia has 3.7 times as many doctors per person as Dominica.
Dominica: 1.2 per 1,000 (2018) · Saint Lucia: 4.2 per 1,000 (2020)
How common is obesity?
35% of adults in Saint Lucia are obese, versus 33% in Dominica.
Dominica: 32.9% (2024) · Saint Lucia: 35.4% (2024)
How many adults smoke?
Dominica: no data · Saint Lucia: 13.9% (2024)
Everyday life
Plates, glasses and happiness
How much do people drink?
Adults in Saint Lucia drink 61% more alcohol than in Dominica.
Dominica: 7.3 litres (2023) · Saint Lucia: 11.8 litres (2023)
How much meat is on the menu?
Saint Lucia has 4% more meat per person than Dominica.
Dominica: 86.4 kg (2022) · Saint Lucia: 90.3 kg (2023)
How much food is there per day?
Dominica has 624 kcal more food per person per day than Saint Lucia.
Dominica: 3,278 kcal (2022) · Saint Lucia: 2,654 kcal (2023)
How long do people go to school?
Adults in Dominica went to school 1.5 years longer than in Saint Lucia.
Dominica: 10.1 years (2023) · Saint Lucia: 8.6 years (2023)
How many tourists visit?
Saint Lucia welcomed 2.2 times as many tourists per resident as Dominica (2019).
Dominica: 0.91 (2022) · Saint Lucia: 1.99 (2022)
Connected
Online, electrified, urban
How many people are online?
82% of people in Dominica are online, versus 68% in Saint Lucia.
Dominica: 82% (2024) · Saint Lucia: 68% (2024)
Who has electricity at home?
Dominica and Saint Lucia are practically level.
Dominica: 100% (2024) · Saint Lucia: 100% (2024)
How many live in cities?
74% of people in Dominica live in cities, versus 29% in Saint Lucia.
Dominica: 74% (2025) · Saint Lucia: 29% (2025)
How many phones per person?
Saint Lucia has 99 mobile subscriptions per 100 people, Dominica 85.
Dominica: 85 (2022) · Saint Lucia: 99 (2022)
Planet
Air, forests and energy
How much of the land is forest?
Forest covers 64% of Dominica, but only 34% of Saint Lucia.
Dominica: 63.8% (2023) · Saint Lucia: 34% (2023)
How much CO₂ does each person emit?
The average person in Saint Lucia emits 16% more CO₂ than someone in Dominica.
Dominica: 2.6 t (2024) · Saint Lucia: 3 t (2024)
How green is the power grid?
13% of Dominica’s electricity is renewable, versus 2.5% in Saint Lucia.
Dominica: 13.3% (2023) · Saint Lucia: 2.5% (2024)
How clean is the air?
The air in Saint Lucia carries 14% more fine dust than in Dominica.
Dominica: 9.1 µg/m³ (2024) · Saint Lucia: 10.4 µg/m³ (2024)
Safety
Measured risk, not vibes
How common is murder?
You are 44% more likely to be murdered in Saint Lucia than in Dominica.
Dominica: 27.1 per 100k (2023) · Saint Lucia: 39 per 100k (2023)
How dangerous are the roads?
Roads in Dominica are 24% deadlier than in Saint Lucia.
Dominica: 11 per 100k (2021) · Saint Lucia: 8.9 per 100k (2021)
Climate
What the year feels like
Quick answers
Is Dominica bigger than Saint Lucia?
Dominica is larger. Dominica is 21% bigger than Saint Lucia.
Which has more people, Dominica or Saint Lucia?
Saint Lucia has 2.7 times as many people as Dominica (2025 estimates).
Where do people live longer, Dominica or Saint Lucia?
People in Saint Lucia live 1.6 years longer than in Dominica. Life expectancy at birth is 71.3 years in Dominica and 72.8 in Saint Lucia.
Are people taller in Dominica or Saint Lucia?
Men in Dominica are 3.7 cm taller than in Saint Lucia (NCD-RisC, cohort born 2019).