Side-by-side indicators
36 indicators
Each chart overlays the time series of the selected countries. Latest values stack below. Click any indicator's methodology pill to see how it's sourced.
Biodiversity
3 indicators
Endemic species (GBIF-derived heuristic)count
MethodologyGBIF (containment heuristic over top-30 species)May 21, 2026GBIF total recorded occurrencescount
MethodologyThreatened species in top sample (IUCN CR/EN/VU)count
MethodologyGBIF + IUCN Red List (via GBIF API)Jun 1, 2026
Connectivity
1 indicator
Individuals using the Internet (%)% of population
Methodology- 01South Korea97.9% of population2024
- 02China91.6% of population2025
- 03Japan85.5% of population2024
- 04North Korea0.0% of population2004
World BankJun 4, 2026
Cost of living
4 indicators
Comparative Price Level (EU27=100)index (EU27=100)
Methodology- 01Japan89index (EU27=100)2024
- –China–index (EU27=100)
- –South Korea–index (EU27=100)
- –North Korea–index (EU27=100)
Eurostat (prc_ppp_ind)Jun 1, 2026PPP conversion factor, private consumption (LCU per int'l $)LCU per international $
Methodology- 01South Korea872.5LCU per international $2024
- 02Japan99.4LCU per international $2024
- 03China3.5LCU per international $2025
- –North Korea–LCU per international $
World Bank ICP (PA.NUS.PRVT.PP)May 26, 2026Price level index, consumption (US=100, derived)index (US=100)
MethodologyCapital-city 1-bedroom apartment monthly rent (USD)USD/month
Methodology
Demographics
2 indicators
Population density (people per sq km)per sq km
Methodology- 01China150.3per sq km2023
- 02North Korea219.4per sq km2023
- 03Japan341.5per sq km2023
- 04South Korea529.8per sq km2023
World BankJun 4, 2026Population, totalpeople
Methodology- 01China1,408,975,000people2024
- 02Japan123,975,371people2024
- 03South Korea51,751,065people2024
- 04North Korea26,498,823people2024
World BankJun 4, 2026
Economy
2 indicators
GDP per capita (constant 2015 USD)USD
MethodologyWorld BankJun 4, 2026GDP per capita (current US$)USD
MethodologyWorld BankJun 4, 2026
Environment
4 indicators
Population exposed to PM2.5 above WHO 10 ug/m3 threshold% of population
MethodologyPM2.5 annual mean exposureug/m3
MethodologyMarine protected areas (% of territorial waters)% of territorial waters
MethodologyTerrestrial protected areas (% of total land area)% of land
Methodology
Governance
6 indicators
Control of Corruption (WGI)percentile (0-100)
Methodology- 01Japan75.3percentile (0-100)2024
- 02South Korea65.1percentile (0-100)2024
- 03China49.6percentile (0-100)2024
- 04North Korea16.3percentile (0-100)2024
World BankJun 4, 2026Government Effectiveness (WGI)percentile (0-100)
Methodology- 01Japan91.9percentile (0-100)2024
- 02South Korea80.2percentile (0-100)2024
- 03China68.8percentile (0-100)2024
- 04North Korea26.6percentile (0-100)2024
World BankJun 4, 2026Political Stability and Absence of Violence (WGI)percentile (0-100)
Methodology- 01Japan85.3percentile (0-100)2024
- 02South Korea76.8percentile (0-100)2024
- 03North Korea71.4percentile (0-100)2024
- 04China63.3percentile (0-100)2024
World BankJun 4, 2026Regulatory Quality (WGI)percentile (0-100)
Methodology- 01Japan75.8percentile (0-100)2024
- 02South Korea70.8percentile (0-100)2024
- 03China53.7percentile (0-100)2024
- 04North Korea25.3percentile (0-100)2024
World BankJun 4, 2026Rule of Law (WGI)percentile (0-100)
Methodology- 01Japan83.0percentile (0-100)2024
- 02South Korea76.2percentile (0-100)2024
- 03China47.0percentile (0-100)2024
- 04North Korea30.7percentile (0-100)2024
World BankJun 4, 2026Voice and Accountability (WGI)percentile (0-100)
Methodology- 01Japan76.4percentile (0-100)2024
- 02South Korea71.0percentile (0-100)2024
- 03China27.9percentile (0-100)2024
- 04North Korea22.1percentile (0-100)2024
World BankJun 4, 2026
Health
9 indicators
Current health expenditure (% of GDP)% of GDP
MethodologyWorld BankJun 4, 2026Current health expenditure per capita (current USD)USD
MethodologyWorld BankJun 4, 2026Healthcare out-of-pocket expenditure per capita (USD/month, derived)USD/month
MethodologyHospital beds per 1,000 peopleper 1,000
Methodology- 01South Korea12.8per 1,0002022
- 02North Korea12.8per 1,0002018
- 03Japan12.6per 1,0002022
- 04China5.6per 1,0002023
World BankJun 4, 2026Life expectancy at birthyears
MethodologyUNDPJun 4, 2026Maternal mortality ratio (per 100,000 live births)per 100,000
Methodology- 01Japan3.0per 100,0002023
- 02South Korea4.0per 100,0002023
- 03China16.0per 100,0002023
- 04North Korea67.0per 100,0002023
World BankJun 4, 2026Out-of-pocket health expenditure (% of current health expenditure)% of CHE
MethodologyWorld BankJun 4, 2026Physicians per 1,000 peopleper 1,000
Methodology- 01North Korea3.6per 1,0002017
- 02China3.1per 1,0002022
- 03Japan2.6per 1,0002022
- 04South Korea2.6per 1,0002022
World BankJun 4, 2026Under-5 mortality rate (per 1,000 live births)per 1,000
Methodology- 01Japan2.4per 1,0002024
- 02South Korea2.8per 1,0002024
- 03China5.7per 1,0002024
- 04North Korea16.7per 1,0002024
World BankJun 4, 2026
Quality of life
2 indicators
Happiness Score (Cantril ladder)score 0-10
MethodologyHuman Development Indexscore 0-1
Methodology- 01South Korea0.937score 0-12023
- 02Japan0.925score 0-12023
- 03China0.797score 0-12023
- –North Korea–score 0-1
UNDPJun 4, 2026
Tax
3 indicators
Statutory corporate income tax ratepercent
MethodologyOECD Tax DatabaseJun 1, 2026Top statutory personal income tax ratepercent
MethodologyOECD Tax DatabaseJun 1, 2026Standard VAT/GST ratepercent
Methodology
Long-stay visas
Where each country offers a relocation pathway — 4 programs across the selection
Tap any program for eligibility, fees, and the official source.