Total population reconciled across UN and World Bank estimates, median age, life expectancy, ethnic and linguistic composition, religions, urbanisation and the annual rates of birth, death and growth.
Military expenditure as a share of GDP and in absolute terms, armed-forces personnel, arms imports and exports, and the overall posture of the country's armed forces.
Adult literacy, enrolment from primary to tertiary level, public spending on education, research-and-development intensity, and the expected and mean years of schooling.
Life expectancy, infant, child and maternal mortality, immunisation coverage, physicians per capita, health expenditure, and access to clean water and sanitation.
Comparative democracy and governance indices — V-Dem's electoral and liberal democracy scores and the World Bank's Worldwide Governance Indicators — measuring institutions, effectiveness and the rule of law.
Gross domestic product in nominal and per-capita terms with long-run historical series, inflation, the structure of trade, and inequality — from Maddison's centuries-long record to the latest World Bank figures.
Internet, mobile and broadband penetration, tourism arrivals and receipts, the network of airports by size including major international hubs, and the country's seaports.
Labour-force participation overall and by gender, unemployment including youth unemployment, the employment-to-population ratio, and the split of employment across agriculture, industry and services.
The structure of the legislature, number of seats, electoral system, most recent and next elections, voter turnout, the speaker, and the gender and age composition of members from IPU Parline.
Carbon-dioxide emissions in total and per capita, the electricity generation mix, renewable-energy share, energy use, freshwater withdrawal, forest cover and UNESCO World Heritage sites.
Official and conventional names, the form of government, head of state and government, capital city and founding milestones — the constitutional identity of the country and how it is recognised internationally.
Total area, land borders and neighbouring states, coastline, terrain and climate, maritime exclusive economic zone, and first-level administrative divisions drawn from official boundary data.
International commitments and standing — ratified UN treaties and ILO conventions, refugees hosted and internal displacement, official development assistance, homicide rate, sanctions listings and trade agreements.
Catalogued space objects launched by the country, its first and most recent launches, the share of payloads, and the most recent objects placed in orbit, from Jonathan McDowell's GCAT.
A chronological, categorised record of the country's milestones — independence and constitution, major treaty ratifications, UNESCO World Heritage inscriptions, elections and space launches — each dated and sourced.