Samoa vs Tonga

Samoa and Tonga compared on 136 measures that both have. Each pair of values is for the same period, the latest one with data for both countries, so the year can differ from one row to the next.

Where Samoa and Tonga differ most

Measures where one value is the largest multiple of the other, among measures with positive values. Totals such as population, index values and growth rates are left out, because their size says little about the difference.

Population and ageing

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Population estimates and projections
people
216,663 people 104,598 people +107.1% 2023 UN Population Division
Median age estimates and projections
years
19.9 years 20.7 years −3.8% 2023 UN Population Division
Fertility rate estimates and projections
live births per woman
3.83 births per woman 3.13 births per woman +22.4% 2023 UN Population Division
Population growth estimates and projections
% per year
0.63% -0.42% +1.05 percentage points 2023 UN Population Division
Population
people
219,306 people 103,742 people +111.4% 2025 World Bank
Population growth
annual % change
0.59% -0.42% +1.01 percentage points 2025 World Bank
Population aged 65 and over
% of total population
6.1% 6.9% −0.8 percentage points 2025 World Bank
Population aged 0 to 14
% of total population
38.1% 34.9% +3.1 percentage points 2025 World Bank
Fertility rate
births per woman
3.80 births per woman 3.10 births per woman +22.6% 2024 World Bank
Crude birth rate
births per 1,000 people
25.0 per 1,000 people 23.0 per 1,000 people +1.9 per 1,000 people 2024 World Bank
Crude death rate
deaths per 1,000 people
6.2 per 1,000 people 6.4 per 1,000 people −0.3 per 1,000 people 2024 World Bank
Urban population share
% of total population
17.5% 21.2% −3.6 percentage points 2025 World Bank
Adolescent birth rate
births per 1,000 women aged 15 to 19
43.5 per 1,000 women aged 15 to 19 25.1 per 1,000 women aged 15 to 19 +18.5 per 1,000 women aged 15 to 19 2024 World Bank
Age dependency ratio
dependants per 100 people aged 15 to 64
79.0 per 100 working-age people 71.7 per 100 working-age people +7.3 per 100 working-age people 2025 World Bank
Population density
people per square kilometre of land
78.4 people per km² 144.7 people per km² −45.8% 2024 World Bank
Urban population growth
annual % change
0.61% -0.39% +1.00 percentage points 2025 World Bank

Migration and citizenship

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Net migration estimates and projections
per 1,000 people
-13.0 per 1,000 people -20.8 per 1,000 people +7.8 per 1,000 people 2023 UN Population Division
Net migration
people
-2,815 people -2,150 people −30.9% 2025 World Bank
International migrant stock
% of population
1.8% 3.4% −1.6 percentage points 2024 World Bank
Personal remittances received
% of GDP
22.4% 39.3% −17.0 percentage points 2025 World Bank

Employment and occupations

MeasureSamoaTongaSamoa compared with TongaPeriodSource
ILO estimate of the unemployment rate
% of the labour force aged 15 and over
5.0% 2.0% +3.0 percentage points 2025 ILOSTAT
ILO estimate of youth unemployment
% of the labour force aged 15 to 24
13.0% 6.0% +6.9 percentage points 2025 ILOSTAT
Labour force participation
% of working-age population aged 15 and over
42.5% 49.8% −7.3 percentage points 2025 ILOSTAT
Women's labour force participation
% of women aged 15 and over
30.7% 42.3% −11.6 percentage points 2025 ILOSTAT
Employment-to-population ratio
% of population aged 15 and over
40.4% 48.8% −8.4 percentage points 2025 ILOSTAT
Employment in agriculture
% of total employment
26.9% 23.6% +3.3 percentage points 2025 World Bank
Employment in industry
% of total employment
15.9% 23.3% −7.4 percentage points 2025 World Bank
Employment in services
% of total employment
57.2% 53.0% +4.1 percentage points 2025 World Bank

Economy and productivity

MeasureSamoaTongaSamoa compared with TongaPeriodSource
GDP in US dollars
current US dollars
US$1.3 billion US$679,218,219 +89.6% 2025 World Bank
GDP per capita in US dollars
current US dollars per person
US$5,873 per person US$6,547 per person −10.3% 2025 World Bank
GDP per capita, PPP
constant 2021 international dollars per person
Int$7,963 per person Int$7,413 per person +7.4% 2025 World Bank
GNI per capita, Atlas method
current US dollars per person
US$5,640 per person US$6,840 per person −17.5% 2025 World Bank
Real GDP growth
annual % change
4.2% 2.8% +1.4 percentage points 2025 World Bank
Services share of GDP
% of GDP
69.4% 49.5% +19.8 percentage points 2024 World Bank
Investment share of GDP
% of GDP
29.0% 26.4% +2.6 percentage points 2024 World Bank
Savings share of GDP
% of GDP
30.0% 18.2% +11.8 percentage points 2024 World Bank
Household consumption per person
constant 2015 US dollars per person
US$3,689 per person US$4,874 per person −24.3% 2024 World Bank

Prices and purchasing power

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Consumer price inflation
annual % change
2.2% 5.6% −3.4 percentage points 2025 World Bank
Consumer price index
index, 2010 = 100
149.2 (2010 = 100) 174.3 (2010 = 100) −25.1 points 2025 World Bank
Inflation measured by the GDP deflator
annual % change
6.2% 3.0% +3.2 percentage points 2025 World Bank
Exchange rate to the US dollar
local currency units per US dollar, annual average
2.792 per US$ 2.411 per US$ +15.8% 2025 World Bank

Housing and households

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Slum population
% of urban population
34.6% 0.3% +34.3 percentage points 2022 World Bank

Education and skills

MeasureSamoaTongaSamoa compared with TongaPeriodSource
ILO estimate of the youth NEET rate
% of youth aged 15 to 24
30.1% 25.8% +4.3 percentage points 2025 ILOSTAT
Primary completion (UIS)
% of children 3 to 5 years above the final primary grade age
98.1% 98.2% −0.1 percentage points 2019 UNESCO UIS
Lower secondary completion
% of young people 3 to 5 years above the final grade age
97.0% 92.4% +4.6 percentage points 2019 UNESCO UIS
Out-of-school children
% of children of primary school age
0.5% 2.3% −1.8 percentage points 2022 UNESCO UIS
Out-of-school adolescents
% of adolescents of lower secondary school age
0.8% 6.9% −6.1 percentage points 2024 UNESCO UIS
Out-of-school youth
% of youth of upper secondary school age
22.7% 28.7% −6.0 percentage points 2024 UNESCO UIS
Primary net enrolment
% of children of primary school age
96.4% 98.1% −1.8 percentage points 2023 UNESCO UIS
Youth literacy
% of people aged 15 to 24
99.0% 99.9% −0.9 percentage points 2019 UNESCO UIS
Education share of public spending
% of total government expenditure
12.9% 9.3% +3.5 percentage points 2024 UNESCO UIS
Education spending
% of GDP
6.2% 5.3% +0.8 percentage points 2022 World Bank
Primary school enrolment (gross)
% of the official primary school-age population
101.0% 108.8% −7.7 percentage points 2024 World Bank
Tertiary education enrolment (gross)
% of the population in the five years after secondary school age
14.6% 42.9% −28.3 percentage points 2023 World Bank
Adult literacy rate
% of people aged 15 and above
98.0% 91.1% +6.9 percentage points 2019 World Bank
Primary school completion rate
% of the relevant age group
100.0% 108.1% −8.1 percentage points 2024 World Bank
Secondary school enrolment (gross)
% of the official secondary school-age population
87.6% 103.3% −15.7 percentage points 2015 World Bank

Health and healthcare

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Life expectancy estimates and projections
years
71.7 years 72.9 years −1.6% 2023 UN Population Division
Life expectancy at 65, estimates and projections
years
14.7 years 15.4 years −4.4% 2023 UN Population Division
Healthy life expectancy
years
63.8 years 63.3 years +0.8% 2023 WHO
UHC service coverage
index from 0 to 100
62 71 −9 points 2023 WHO
Alcohol consumption
litres of pure alcohol per person aged 15+
2.25 litres 0.19 litres +1,111.1% 2024 WHO
Adult obesity
% of adults aged 18+
64.3% 73.8% −9.5 percentage points 2024 WHO
Hypertension
% of adults aged 30 to 79
38.3% 43.3% −5.0 percentage points 2019 WHO
Suicide rate
deaths per 100,000 people
12.1 per 100,000 people 4.1 per 100,000 people +8.0 per 100,000 people 2023 WHO
Premature NCD mortality
% probability
23.7% 25.4% −1.7 percentage points 2023 WHO
Physical inactivity
% of adults aged 18+
12.9% 30.2% −17.3 percentage points 2022 WHO
DTP3 immunisation
% of one-year-olds
84% 94% −10.0 percentage points 2025 WHO
Anaemia in women
% of women aged 15 to 49
21.9% 20.7% +1.2 percentage points 2023 WHO
Poisoning deaths
deaths per 100,000 people
0.2 per 100,000 people 0.9 per 100,000 people −0.7 per 100,000 people 2023 WHO
Nurses and midwives
per 10,000 people
30.6 per 10,000 people 45.4 per 10,000 people −14.8 per 10,000 people 2020 WHO
Dentists
per 10,000 people
0.90 per 10,000 people 1.42 per 10,000 people −0.52 per 10,000 people 2020 WHO
Life expectancy at birth
years
71.8 years 73.1 years −1.7% 2024 World Bank
Life expectancy at birth, women
years
73.8 years 76.5 years −3.6% 2024 World Bank
Life expectancy at birth, men
years
70.0 years 69.5 years +0.7% 2024 World Bank
Health spending share of GDP
% of GDP
6.8% 7.4% −0.6 percentage points 2023 World Bank
Under-five mortality rate
deaths per 1,000 live births
14.9 per 1,000 live births 9.5 per 1,000 live births +5.4 per 1,000 live births 2024 World Bank
Infant mortality rate
deaths per 1,000 live births
12.3 per 1,000 live births 7.8 per 1,000 live births +4.5 per 1,000 live births 2024 World Bank
Maternal mortality ratio
maternal deaths per 100,000 live births
101 per 100,000 live births 67 per 100,000 live births +34 per 100,000 live births 2023 World Bank
Physicians
physicians per 1,000 people
0.56 per 1,000 people 1.01 per 1,000 people −0.45 per 1,000 people 2021 World Bank
Hospital beds
beds per 1,000 people
4.4 per 1,000 people 3.5 per 1,000 people +0.8 per 1,000 people 1981 World Bank
Measles immunisation
% of children aged 12 to 23 months
85% 99% −14.0 percentage points 2024 World Bank
Tobacco use
% of adults aged 15 and over
23.1% 32.1% −9.0 percentage points 2024 World Bank
Out-of-pocket health spending
% of current health expenditure
13.4% 5.9% +7.6 percentage points 2023 World Bank
Health spending per person
current US dollars per person
US$293 per person US$358 per person −18.1% 2023 World Bank
Diabetes prevalence
% of population aged 20 to 79
25.4% 19.6% +5.8 percentage points 2024 World Bank
Neonatal mortality rate
deaths per 1,000 live births
5.8 per 1,000 live births 4.1 per 1,000 live births +1.7 per 1,000 live births 2024 World Bank
Child stunting
% of children under 5
7.3% 2.2% +5.1 percentage points 2019 World Bank
Tuberculosis incidence
new cases per 100,000 people
6 per 100,000 people 2 per 100,000 people +4 per 100,000 people 2024 World Bank

Internet and digital society

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Internet users
% of population
21.2% 36.0% −14.8 percentage points 2014 World Bank
Mobile subscriptions
subscriptions per 100 people
62 per 100 people 62 per 100 people +1 per 100 people 2022 World Bank
Fixed broadband subscriptions
subscriptions per 100 people
0.9 per 100 people 8.2 per 100 people −7.3 per 100 people 2022 World Bank

Business and industry

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Industry share of GDP
% of GDP
10.6% 17.7% −7.1 percentage points 2024 World Bank
New businesses registered
new limited liability companies
86 companies 31 companies +177.4% 2022 World Bank
Manufacturing share of GDP
% of GDP
5.2% 5.5% −0.3 percentage points 2024 World Bank

Trade and investment

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Exports share of GDP
% of GDP
30.7% 16.9% +13.8 percentage points 2024 World Bank
Imports share of GDP
% of GDP
48.9% 60.7% −11.8 percentage points 2024 World Bank
Trade as a share of GDP
% of GDP
79.5% 77.6% +1.9 percentage points 2024 World Bank
Foreign direct investment inflows
% of GDP
0.2% 2.6% −2.5 percentage points 2025 World Bank
Current account balance
% of GDP
6.9% -4.4% +11.3 percentage points 2025 World Bank
High-technology exports
% of manufactured exports
5.7% 28.5% −22.7 percentage points 2023 World Bank

Transport and mobility

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Road traffic deaths
deaths per 100,000 people
13.0 per 100,000 people 33.0 per 100,000 people −20.0 per 100,000 people 2019 World Bank
Air passengers carried
passengers
246,875 passengers 75,416 passengers +227.4% 2004 World Bank

Energy and electricity

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Access to electricity
% of population
100.0% 100.0% same 2024 World Bank
Clean cooking access
% of population
65.0% 91.0% −26.0 percentage points 2024 World Bank
Renewable energy share
% of total final energy consumption
35.9% 2.3% +33.6 percentage points 2022 World Bank
Fossil electricity share
% of total electricity production
50.9% 85.8% −34.9 percentage points 2021 World Bank

Climate and emissions

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Temperature change
°C difference from the 1951 to 1980 average
0.92 °Ce (Estimated value) 0.86 °Ce (Estimated value) +0.06 °C 2025 FAOSTAT
Agrifood emissions per person
tonnes of CO2 equivalent per person
1.89 t CO2e per persone (Estimated value) 1.26 t CO2e per persone (Estimated value) +50.2% 2024 FAOSTAT
Total greenhouse gas emissions
million tonnes of CO2 equivalent
0.5 Mt CO2e 0.3 Mt CO2e +78.1% 2024 World Bank
Greenhouse gas emissions per person
tonnes of CO2 equivalent per person
2.4 t CO2e per person 2.8 t CO2e per person −14.9% 2024 World Bank
CO2 emissions per person
tonnes of CO2 per person
1.60 t CO2 per person 1.63 t CO2 per person −1.6% 2024 World Bank
Methane emissions
million tonnes of CO2 equivalent
0.1 Mt CO2e 0.1 Mt CO2e +37.6% 2024 World Bank
Nitrous oxide emissions
million tonnes of CO2 equivalent
0.04 Mt CO2e 0.03 Mt CO2e +47.3% 2024 World Bank

Air quality and ecosystems

MeasureSamoaTongaSamoa compared with TongaPeriodSource
PM2.5 air pollution
micrograms per cubic metre
5.9 µg/m³ 6.2 µg/m³ −4.0% 2023 WHO
Forest area
% of land area
57.6% 12.1% +45.5 percentage points 2024 World Bank
Protected areas
% of total territorial area
0.3% 0.1% +0.2 percentage points 2025 World Bank
PM2.5 air pollution exposure
micrograms per cubic metre
4.6 µg/m³ 4.7 µg/m³ −2.3% 2023 World Bank
Terrestrial protected areas
% of land area
7.9% 13.3% −5.4 percentage points 2025 World Bank

Water, sanitation and waste

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Basic drinking water access
% of population
99.4% 98.9% +0.6 percentage points 2024 World Bank
Safely managed drinking water
% of population
62.5% 29.6% +32.9 percentage points 2024 World Bank
Basic sanitation access
% of population
97.1% 93.9% +3.2 percentage points 2024 World Bank
Safely managed sanitation
% of population
44.1% 31.2% +12.9 percentage points 2024 World Bank

Agriculture, food and fisheries

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Pesticide use
kg of active ingredients per hectare of cropland
9.50 kg/hae (Estimated value) 0.65 kg/hae (Estimated value) +1,361.5% 2024 FAOSTAT
Nitrogen fertiliser use
kg of nitrogen (N) per hectare of cropland
0.1 kg/hae (Estimated value) 1.2 kg/hae (Estimated value) −88.6% 2024 FAOSTAT
Agriculture share of GDP
% of GDP
9.8% 18.6% −8.8 percentage points 2024 World Bank
Agricultural land
% of land area
17.8% 48.5% −30.7 percentage points 2024 World Bank
Capture fisheries production
metric tonnes
8,094 tonnes 1,120 tonnes +622.7% 2024 World Bank
Food production index
index, 2014 to 2016 = 100
80.4 (2014-16 = 100) 96.1 (2014-16 = 100) −16.3% 2024 World Bank
Fertiliser use
kilograms per hectare of arable land
0.8 kg per hectare 2.9 kg per hectare −72.4% 2024 World Bank
Land area
square kilometres
2,780 km² 720 km² +286.1% 2024 World Bank

Government finance and taxation

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Tax revenue
% of GDP
24.0% 20.5% +3.5 percentage points 2023 World Bank
Central government expense
% of GDP
26.7% 34.7% −8.0 percentage points 2023 World Bank

Science and innovation

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Scientific and technical journal articles
articles, fractional count
22 articles 5 articles +350.5% 2023 World Bank

Crime, justice and public safety

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Intentional homicides
victims per 100,000 people
6.3 per 100,000 people 9.5 per 100,000 people −3.2 per 100,000 people 2018 World Bank

Culture, society and wellbeing

MeasureSamoaTongaSamoa compared with TongaPeriodSource
Women in national parliament
% of seats in the single or lower chamber
9.8% 3.8% +6.0 percentage points 2025 World Bank

The difference column shows Samoa compared with Tonga: in percentage points for percentages, in the same unit for rates per population and index values, and in percent for other measures.

Open a measure to see both countries on a chart. All statistics for Samoa · All statistics for Tonga · Other pairs