Tables
37 tables are built. Open any of them to look up a country or see the whole matrix. Each one asks a single question of all 19,701 pairs. “Coverage” is the share of cells with a known answer; the rest are marked unknown or not applicable, and say why.
Geography, Climate & Time
Shared land border S01
Do A and B share a land border?
Distance between capitals S02
Great-circle distance between the capitals of A and B, km
Time difference S03
Clock difference between the capitals: B minus A, in hours, in January and in July
Season alignment S07
Do A and B have the same seasons, opposite seasons, or is one tropical?
Everyday Compatibility
Working-hours overlap S04
Hours per working day when 09:00–18:00 offices in both capitals are open at the same time
Weekend alignment S08
How many days a week are working days in both A and B?
Driving side S10
Do A and B drive on the same side of the road?
History, Culture & Language
Former colonial rule S05
Did A rule B as a colony (or B rule A), or were they one state before?
Writing system S12
Can a reader of A's official script read B's letters: same script, a related one, or a different one?
Football head-to-head — all matches F10a
How have the national football teams of A and B fared against each other in all senior internationals, friendlies included?
Football head-to-head — major competitions F10b
The same record counting only the World Cup, continental championships, their qualifiers, the Confederations Cup and the Nations Leagues
Travel, Tourism & Routes
Flight time estimate S09
How long would a non-stop flight between the capitals take?
Driving distance and time between capitals S11
How far is it by road between the capitals, and how long does it take?
Shared sea S15
Do A and B have coasts on the same sea, the same ocean, or neither? (direct sea link possible)
Economy & Money
Shared currency S13
Do A and B use the same currency?
Consumer price level — how much more expensive E01
How much more expensive is everyday household consumption in A than in B?
Goods exports A → B T01
What was the value of goods A exported to B in the latest year with reconciled world data?
Main export product A → B T02
Which product group is the largest in A's goods exports to B, and what share does it take?
Goods trade balance A ↔ B T03
Does A sell more goods to B than it buys from B, and by how much?
Export dependence — B's share in A's exports T04
What share of all goods A exports goes to B?
Automatic exchange of bank-account data (CRS) X01
Does A's tax authority automatically send information on financial accounts held by B's residents to B?
Exchange of country-by-country reports (CbC) X02
Does A send the country-by-country reports of multinational groups to B?
Automatic exchange of crypto-asset data (CARF) X03
Is the exchange of crypto-asset reporting information activated from A to B?
Direct investment from A in B I01
How much direct investment from A is held in B?
Law & Justice
Hague conventions in force between both S14
How many of seven Hague conventions (Apostille 1961, Child Abduction 1980, Choice of Court 2005, Service 1965, Evidence 1970, Intercountry Adoption 1993, Child Support 2007) are in force in both A and B?
Child abduction convention in force between both S16
Does the Hague Child Abduction Convention (1980) apply between A and B — i.e. can a wrongfully removed child be returned under it?
UN conventions in force in both S17
How many of five UN conventions (CISG 1980 sale of goods, New York 1958 arbitral awards, Vienna 1968 road traffic, Rome Statute 1998, UNCLOS 1982) are in force in both A and B?
Scale
Surface area — how many times larger K01
How many times larger is A than B by surface area?
Population — how many times larger K02
How many times more people live in A than in B?
Population density — how many times denser K03
How many times denser is A than B (people per km²)?
Economy (GDP, PPP) — how many times larger K04
How many times larger is A's economy than B's, at purchasing-power parity?
GDP per person (PPP) — how many times richer K05
How many times higher is GDP per person in A than in B, at PPP?
Life expectancy — difference in years K06
How many more years does a newborn in A expect to live than one in B?
People & Society
Diaspora — people from A living in B M01
How many people born in A (or citizens of A) live in B?
Refugees and asylum-seekers from A in B R01
How many people from A live in B as refugees or asylum-seekers under UNHCR's mandate?
Students from A studying in B U01
How many students from A are enrolled in universities and colleges in B?
Politics & Diplomacy
UN voting alignment V01
How often do A and B vote the same way in the UN General Assembly?