0
Comparison · latest available · data as of 26 October 2026 · printed 27 Oct 2026
NationsTree / Compare / Samoa vs Solomon Islands

Samoa vs Solomon Islands

Side-by-side comparison of Samoa and Solomon Islands from official statistics: size, economy, people, trade, natural resources, health, infrastructure and military, with world ranks, years and sources.

Samoa

East Asia & Pacific · nation age 64 years

NationsTree Index50.287th of 196
Tree height0.9 m 
vs
20:4
indicators where each ranks higher

Solomon Islands

East Asia & Pacific · nation age 48 years

NationsTree Index32.6155th of 196
Tree height0.8 m 
Open in the comparison tool Data as of 26 October 2026

In short

Samoa scores 50.2 in the NationsTree Index (87th in the world) and Solomon Islands scores 32.6 (155th), a gap of 17.6 points. Their trees are 0.9 m and 0.8 m tall; tree height grows with real GDP and is adjusted by the index.

Solomon Islands has 3.8 times the population of Samoa. Solomon Islands is 10 times larger than Samoa by land area. The economy of Solomon Islands is 14% larger than that of Samoa (GDP at purchasing power parity). Population: Samoa 219,306 and Solomon Islands 838,645 (2025).

GDP per person at purchasing power parity is $9,319 in Samoa and $2,788 in Solomon Islands (2025, international dollars). People in Samoa live on average 1.1 years longer (71.8 vs 70.7 years).

Of 24 indicators reported by both countries, Samoa ranks higher in the world on 20 and Solomon Islands on 4. Samoa is clearly stronger in institutions & safety, tourism and infrastructure & digital. Solomon Islands is clearly stronger in natural resources, main industries and trade.

As a nation, Samoa is the older of the two (statehood since 1962, 64 years), compared with Solomon Islands (since 1978). Over the last five years Samoa improved faster (direction score 96 vs 30 out of 100).

Where they differ most

The indicators with the biggest gap in world position between Samoa and Solomon Islands.

Over time

How the two countries moved against each other, from the yearly data.

NationsTree IndexSamoaSolomon Islands
102030405060 1996 2001 2006 2011 2016 2021 2025

Samoa overtook Solomon Islands in the NationsTree Index in 2023 and has stayed ahead since.

Solomon Islands overtook Samoa in GDP (PPP) in 2006 and has stayed ahead since.

Samoa has been ahead of Solomon Islands in GDP per person (PPP) and life expectancy in every year since 1990.

Solomon Islands has been ahead of Samoa in population in every year since 1990.

Strength by category

Average world percentile of the indicators in each category (0–100, direction taken into account). i

All indicators

Latest available value for each country with its year and world rank. Green: the better world position of the two, red: the weaker one.

Indicator Samoa Solomon Islands
Land & people
Surface area i km² 2,840173rd/216 · 2024 28,446141st/216 · 2024
Land area i km² 2,780171st/216 · 2024 27,990141st/216 · 2024
Population i people 219,306182nd/217 · 2025 838,645163rd/217 · 2025
Population growth i % 0.59%130th/217 · 2025 2.35%32nd/217 · 2025
Population density i people/km² 78.4125th/216 · 2024 29.3174th/216 · 2024
Urban population i % 17.5%215th/217 · 2025 31.3%194th/217 · 2025
Population aged 0–14 i % 38.1%32nd/217 · 2025 36.6%45th/217 · 2025
Population aged 65+ i % 6.1%137th/217 · 2025 3.7%174th/217 · 2025
Economy
GDP i USD $1.29 bn196th/210 · 2025 $1.75 bn192nd/210 · 2025
GDP (PPP) i intl. USD $2.04 bn187th/199 · 2025 $2.34 bn185th/199 · 2025
Real GDP (PPP, constant 2021 prices) i intl. USD 2021 $1.75 bn187th/199 · 2025 $2.00 bn185th/199 · 2025
GDP per person i USD $5,873131st/210 · 2025 $2,086174th/210 · 2025
GDP per person (PPP) i intl. USD $9,319142nd/199 · 2025 $2,788188th/199 · 2025
GNI per person (Atlas) i USD $5,640123rd/201 · 2025 $2,020165th/201 · 2025
GDP growth i % 4.2%75th/210 · 2025 3.6%93rd/210 · 2025
Inflation i % 2.2%66th/180 · 2025 3.4%99th/180 · 2025
Unemployment i % 5.0%86th/187 · 2025 1.4%9th/187 · 2025
Central government debt i % of GDP — 26.0%9th/55 · 2024
General government gross debt i % of GDP 21.2%20th/189 · 2025 29.6%32nd/189 · 2025
Government budget balance i % of GDP 4.7%8th/192 · 2025 -3.9%129th/192 · 2025
Main industries
Agriculture, forestry, fishing i % of GDP 9.1%74th/197 · 2025 29.7%13th/197 · 2024
Industry incl. construction i % of GDP 10.2%183rd/200 · 2025 23.4%102nd/200 · 2024
Manufacturing i % of GDP 4.9%154th/192 · 2025 10.1%97th/192 · 2024
Services i % of GDP 72.1%26th/200 · 2025 46.9%161st/200 · 2024
Trade
Exports of goods & services i USD $355.7 m169th/182 · 2025 $642.6 m164th/182 · 2024
Imports of goods & services i USD $553.9 m175th/182 · 2025 $1.12 bn167th/182 · 2024
Exports i % of GDP 27.6%117th/183 · 2025 40.6%79th/183 · 2024
Imports i % of GDP 43.0%94th/183 · 2025 70.8%33rd/183 · 2024
Trade openness i % of GDP 70.6%112th/183 · 2025 111.4%48th/183 · 2024
Fuel exports i % of merchandise exports 33.3%28th/170 · 2024 0.0%2017
Manufactures exports i % of merchandise exports 39.4%76th/171 · 2024 2.2%2018
Food exports i % of merchandise exports 24.8%57th/171 · 2024 20.1%2018
Ores & metals exports i % of merchandise exports 1.3%125th/171 · 2024 3.8%2018
High-tech exports i % of manufactured exports 76.7%2nd/168 · 2024 1.4%2018
Current account balance i % of GDP 5.7%32nd/191 · 2025 5.6%33rd/191 · 2025
Foreign direct investment, inflows i % of GDP 0.2%169th/196 · 2025 3.8%56th/196 · 2025
Natural resources
Natural resource rents i % of GDP 0.3%146th/209 · 2021 18.4%28th/209 · 2021
Oil rents i % of GDP 0.00%120th/197 · 2021 0.00%120th/197 · 2021
Natural gas rents i % of GDP 0.00%100th/197 · 2021 0.00%100th/197 · 2021
Coal rents i % of GDP 0.00%68th/195 · 2021 0.00%68th/195 · 2021
Mineral rents i % of GDP 0.00%91st/209 · 2021 0.00%91st/209 · 2021
Forest rents i % of GDP 0.28%83rd/209 · 2021 18.40%1st/209 · 2021
Arable land i % of land area 4.1%146th/206 · 2024 0.8%185th/206 · 2024
Renewable freshwater per person i m³ — 57,22910th/183 · 2022
Tourism
International tourist arrivals i arrivals 23,900185th/194 · 2020 4,400192nd/194 · 2020
Tourism receipts i USD $23.1 m161st/175 · 2020 $7.0 m170th/175 · 2020
Tourism receipts i % of exports 19.8%34th/168 · 2020 1.6%137th/168 · 2020
Outbound trips i departures 18,500104th/107 · 2020 —
Society & health
Life expectancy i years 71.8139th/217 · 2024 70.7149th/217 · 2024
Under-5 mortality i per 1,000 births 14.998th/196 · 2024 20.0123rd/196 · 2024
Physicians i per 1,000 people 0.56118th/174 · 2021 0.24140th/174 · 2023
Hospital beds i per 1,000 people 1.02005 2.71992
DPT immunization i % of children 12–23 months 85%132nd/193 · 2024 87%121st/193 · 2024
Completed lower secondary, 25+ i % of adults 92.3%41st/153 · 2022 34.1%2015
Secondary enrolment i % gross 87.4%2016 49.0%2012
Social protection coverage (incl. pensions) i % of population 33.6%2008 1.7%2005
Old-age dependency ratio i % of working-age population 10.9%124th/217 · 2025 6.1%177th/217 · 2025
Health spending i % of GDP 6.8%91st/193 · 2023 5.4%122nd/193 · 2023
Adult literacy i % 98.0%2019 76.6%1999
Tertiary enrolment i % gross 16.0%127th/150 · 2024 —
Human Development Index i index 0–1 0.708122nd/193 · 2023 0.584156th/193 · 2023
Income inequality (Gini) i index 38.72013 37.12012
Extreme poverty i % of population 4.5%2013 40.3%2012
Infrastructure & digital
Access to electricity i % of population 100.0%1st/215 · 2024 81.5%169th/215 · 2024
Safely managed drinking water i % of population 62.5%100th/150 · 2024 —
Safely managed sanitation i % of population 44.1%91st/144 · 2024 —
Internet users i % of population 21.2%2014 29.0%170th/186 · 2024
Mobile subscriptions i per 100 people 62190th/210 · 2022 62191st/210 · 2022
Fixed broadband i per 100 people 0.9171st/208 · 2022 0.1194th/208 · 2022
Trade & transport infrastructure quality (LPI) i score 1–5 — 2.6080th/164 · 2022
Air passengers carried i passengers 42,120144th/161 · 2023 157,418131st/161 · 2023
Environment & energy
CO₂ emissions per person i t CO₂e 1.6079th/203 · 2024 0.3837th/203 · 2024
Renewable energy i % of final energy use 35.9%67th/212 · 2022 50.1%49th/212 · 2022
Air pollution (PM2.5) i µg/m³ 4.69th/200 · 2023 9.844th/200 · 2023
Forest area i % of land area 57.6%38th/214 · 2024 89.8%5th/214 · 2024
Energy use per person i kg oil eq. 3072007 1282007
Institutions & safety
Government effectiveness i score 0–100 56.588th/205 · 2025 35.0170th/205 · 2025
Control of corruption i score 0–100 61.353rd/207 · 2025 44.9101st/207 · 2025
Rule of law i score 0–100 76.133rd/207 · 2025 61.692nd/207 · 2025
Political stability i score 0–100 89.011th/207 · 2025 78.763rd/207 · 2025
Regulatory quality i score 0–100 54.2100th/205 · 2025 39.1176th/205 · 2025
Voice & accountability i score 0–100 74.544th/205 · 2025 69.161st/205 · 2025
Homicide rate i per 100,000 6.32018 3.72008
Military
Arms imports (SIPRI TIV) i TIV 7.0 m2019 7.0 m117th/163 · 2021
Science & innovation
Patent applications by residents i applications 1126th/137 · 2021 —
Scientific articles i articles 22171st/197 · 2023 15180th/197 · 2023

Questions and answers

Which has more people, Samoa or Solomon Islands?

Solomon Islands has the larger population: 838,645 (2025) compared with 219,306 for Samoa (2025). Source: World Bank, SP.POP.TOTL.

Which is bigger by area, Samoa or Solomon Islands?

Solomon Islands is larger: 28,446 km² (2024) compared with 2,840 km² for Samoa (2024). Source: World Bank, AG.SRF.TOTL.K2.

Which economy is larger, Samoa or Solomon Islands?

Solomon Islands has the larger economy at purchasing power parity: $2.34 bn intl. (2025) compared with $2.04 bn intl. for Samoa (2025). Source: World Bank, NY.GDP.MKTP.PP.CD.

Which is richer per person, Samoa or Solomon Islands?

Samoa has the higher GDP per person (PPP): $9,319 intl. (2025) compared with $2,788 intl. for Solomon Islands (2025). Source: World Bank, NY.GDP.PCAP.PP.CD.

Where do people live longer, in Samoa or Solomon Islands?

Samoa has the higher life expectancy at birth: 71.8 years (2024) compared with 70.7 years for Solomon Islands (2024). Source: World Bank, SP.DYN.LE00.IN.

Which ranks higher in the NationsTree Index, Samoa or Solomon Islands?

Samoa: 50.2 points (87th in the world); Solomon Islands: 32.6 points (155th). The index combines foundations, economic strength, quality of life, problems and 5-year direction from public statistics.

More comparisons

Samoa compared with

Solomon Islands compared with

Sources

World Bank World Development Indicators and Worldwide Governance Indicators, compiling UN agencies, the IMF, WHO, SIPRI and national statistical offices; every row links to its world ranking with the source series. See Sources & licences and Methodology.

Cite as: NationsTree (2026). Samoa vs Solomon Islands — country comparison. https://nationstree.org/compare/samoa-vs-solomon-islands. Data as of 26 October 2026.

Cite as: NationsTree (2026). Samoa vs Solomon Islands — country comparison. https://nationstree.org/compare/samoa-vs-solomon-islands. Data as of 26 October 2026.
Comparison0 / 5
Compare