Cambodia vs Vietnam

Vietnam is 83% larger than Cambodia. Cambodia would fit into Vietnam about 1.8 times.

CambodiaVietnamCambodia moved onto Vietnam · Equal-area projection
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0.55×
Cambodia is 0.55× the area of Vietnam. Put the other way, Vietnam is 1.83× the size of Cambodia.
CambodiaVietnam
Size
AreaVietnam: 1.83× the area181,035 km²#88 of 194331,690 km²#67 of 194
CoastlineHas a coastHas a coast
Land neighbours33
People
PopulationVietnam: 5.69× the population17,847,982#73 of 194 · 2025101,598,527#16 of 194 · 2025
DensityVietnam: 3.11× the density99 / km²#91 of 194306 / km²#27 of 194
Urban populationCambodia: 1.06× the urban share41%#147 of 192 · 202539%#152 of 192 · 2025
Fertility rateCambodia: 1.34× the births per woman2.55 per woman#71 of 192 · 20241.90 per woman#100 of 192 · 2024
Population growthCambodia: 0.58 points higher+1.18%#86 of 192 · 2025+0.60%#120 of 192 · 2025
Birth rateCambodia: 1.51× the birth rate20.3 per 1,000#70 of 192 · 202413.4 per 1,000#102 of 192 · 2024
Death rateAbout the same death rate6.5 per 1,000#122 of 192 · 20246.6 per 1,000#117 of 192 · 2024
Children under 15Cambodia: 6.6 points higher29.5%#71 of 192 · 202522.9%#104 of 192 · 2025
People over 65Vietnam: 3.1 points higher6.4%#110 of 192 · 20259.5%#82 of 192 · 2025
Net migrationVietnam: 1.3 per 1,000 higher−1.8 per 1,000#137 of 192 · 2025−0.5 per 1,000#100 of 192 · 2025
Refugees abroadCambodia: 3.15× the refugees for its size0.63 per 1,000#72 of 190 · 20250.20 per 1,000#102 of 190 · 2025
Health & education
Life expectancyVietnam: 3.9 years longer70.8 years#126 of 192 · 202474.7 years#87 of 192 · 2024
Infant mortalityCambodia: 1.37× the infant mortality16.4 per 1,000 births#75 of 191 · 202412.0 per 1,000 births#100 of 191 · 2024
DoctorsVietnam: 5.29× the doctors per person0.21 per 1,000#147 of 178 · 20191.11 per 1,000#105 of 178 · 2021
University enrolmentVietnam: 1.76× the university enrolment21.4%#112 of 145 · 202437.6%#95 of 145 · 2024
Human Development IndexVietnam: 0.160 higher0.606#148 of 190 · 20230.766#92 of 190 · 2023
Economy
GNI per capitaVietnam: 1.81× the income per person$2,750#141 of 185 · 2025$4,970#114 of 185 · 2025
GDPVietnam: 10× the economy$51.27B2025$514.7B2025
Income groupLower-middle incomeUpper-middle income
GDP per capita (PPP)Vietnam: 2.12× the output per person$8,543#135 of 184 · 2025$18,088#100 of 184 · 2025
GDP growthVietnam: 2.7 points higher+5.3%#41 of 187 · 2025+8.0%#11 of 187 · 2025
InflationVietnam: 0.9 points higher+2.4%#103 of 176 · 2025+3.3%#81 of 176 · 2025
UnemploymentVietnam: 5.0× the unemployment0.3%#177 of 178 · 20251.5%#168 of 178 · 2025
Extreme poverty—1.6%#77 of 149 · 2022
Income inequality (Gini)—36.1#61 of 149 · 2022
Jobs in agricultureCambodia: 8.4 points higher33.4% of jobs#53 of 178 · 202525.0% of jobs#73 of 178 · 2025
Jobs in industryVietnam: 5.9 points higher28.9% of jobs#23 of 178 · 202534.8% of jobs#5 of 178 · 2025
Jobs in servicesVietnam: 2.4 points higher37.7% of jobs#151 of 178 · 202540.1% of jobs#147 of 178 · 2025
Foreign investmentCambodia: 5.6 points higher9.9% of GDP#18 of 184 · 20254.3% of GDP#43 of 184 · 2025
ExportsVietnam: 29.6 points higher68.6% of GDP#26 of 168 · 202598.2% of GDP#8 of 168 · 2025
Military spendingVietnam: 1.48× the military spending1.4% of GDP#90 of 155 · 20252.1% of GDP#53 of 155 · 2025
Internet usersVietnam: 1.23× the share online69%#122 of 184 · 202484%#81 of 184 · 2024
Mobile subscriptionsVietnam: 1.1× the mobile subscriptions116 per 100#93 of 191 · 2024128 per 100#58 of 191 · 2024
Energy & environment
Forest areaVietnam: 1.25× the forest share38% of land#74 of 192 · 202447% of land#53 of 192 · 2024
CO₂ per personVietnam: 3.88× the CO₂ per person1.10 t a year#127 of 185 · 20244.27 t a year#56 of 185 · 2024
Renewable energyCambodia: 28.2 points higher52.4%#46 of 190 · 202124.2%#94 of 190 · 2021
Access to electricityVietnam: 0.8 points higher99.2%#110 of 192 · 2024100.0%#1 of 192 · 2024
Air pollution (PM2.5)Vietnam: 1.28× the air pollution19.4 µg/m³#88 of 191 · 202324.8 µg/m³#62 of 191 · 2023
Protected landCambodia: 32.2 points higher39.8% of land#12 of 191 · 20257.6% of land#157 of 191 · 2025
Arable landCambodia: 1.8 points higher23.3% of land#44 of 190 · 202421.5% of land#51 of 190 · 2024
Water stressVietnam: 18.1× the water stress1.0%#160 of 176 · 202218.1%#70 of 176 · 2022
PrecipitationCambodia: 1.05× the rain and snow1,904 mm#37 of 180 · 20221,821 mm#40 of 180 · 2022
Governance & safety
Political stabilityCambodia: 0.21 higher+0.33#78 of 193 · 2025+0.12#93 of 193 · 2025
Control of corruptionVietnam: 1.15 higher−1.26#171 of 193 · 2025−0.11#85 of 193 · 2025
State
StatusIndependent stateIndependent state
GovernmentConstitutional monarchyparliamentary constitutional monarchyOne-party statecommunist party-led state
Member ofASEANASEAN
CapitalPhnom PenhHanoi
CurrencyRiel (KHR)Vietnamese đồng (VND)
Official languagesKhmerVietnamese
Traffic drivesOn the rightOn the right
Time zoneUTC+7UTC+7
Calling code+855+84
RegionSouth-Eastern Asia, AsiaSouth-Eastern Asia, Asia

Area: Wikidata. Population, income, health, economy, environment and governance: World Bank. Human Development Index: UNDP. Government: CIA World Factbook. Ranks among the 194 independent states. All sources

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Cambodia sits at about 13° N and is stretched to 1.05× its true area; Vietnam at 17° N is stretched to 1.09×. Here the two are distorted about the same amount, so Mercator gets this pair roughly right. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is Cambodia bigger than Vietnam?
No. Cambodia is 45% smaller than Vietnam. Cambodia covers 181,035 km² and Vietnam covers 331,690 km².
How many times does Cambodia fit into Vietnam?
About 1.8 times: Vietnam has 1.83× the area of Cambodia.
Why do Cambodia and Vietnam look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Cambodia is drawn about 1.05× its true area there and Vietnam about 1.09×. For this pair the distortion is similar, so Mercator gets the comparison roughly right. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, Cambodia or Vietnam?
Vietnam: 101,598,527 people against 17,847,982. Density: Cambodia 99 per km², Vietnam 306 per km².
Which is richer, Cambodia or Vietnam?
By gross national income per person, Vietnam: $4,970 against $2,750 (World Bank, Atlas method, 2025) — 1.81× as much.
Where do people live longer, Cambodia or Vietnam?
In Vietnam: life expectancy at birth is 74.7 years, against 70.8 — 3.9 years longer (World Bank, 2024).
What kind of government do Cambodia and Vietnam have?
By constitution, as the CIA World Factbook describes them — Cambodia: constitutional monarchy; Vietnam: one-party state.