Country Groups
Catholic countries 42
Countries where at least 60% of the population is Roman Catholic
Christian countries 131
Countries where at least 50% of the population is Christian
Cold countries 46
Countries where the mean temperature is less than 10 degrees Celcius according to the Tyndall Centre of Climate Change Research.
Densely populated countries 44
East Asia and Pacific 31
Eastern Europe 21
Eastern Europe according to EuroVoc.
Emerging markets 25
Emerging economies as defined by the International Monetary Fund (IMF).
English speaking countries 11
Countries where English is spoken as a first language by the majority of the population.
Europe 50
European Union 28
Member states of the European Union.
Eurozone 18
European Union countries that use the Euro as their sole currency.
failed states 16
Countries scoring over 100 in the 2013 failed states index.
Former British colonies 51
Countries previously colonised by Great Britain according to the CIA World Factbook.
Former French colonies 27
Countries previously colonised by France according to the CIA World Factbook.
Former Soviet republics 16
Former Spanish colonies 21
Countries previously colonised by Spain according to the CIA World Factbook.
Former Yugoslavian countries 7
Modern day countries that were at one time part of Yugoslavia.
Group of 7 countries (G7) 7
The Group of 7 is a meeting of finance ministers and central bank governments of 7 of the largest advanced economies. This group was previously known as the Group of 8 before Russia was expelled over the 2014 crisis in Crimea.
Heavily indebted countries 43
Countries where public debt is over 60% of GDP.
High income OECD countries 31
Countries that are both high income and members of the Organisation of Economic Co-operation and Development according to the World Bank.
Hot countries 120
Countries where the mean temperature is more than 20 degrees Celcius according to the Tyndall Centre of Climate Change Research.
Island countries 105
Countries that are on islands, rather than continents.
Landlocked countries 47
Latin America and Caribbean 38
Least Developed Countries 45
Middle Eastern and North Africa 18
Military base 1
Military bases located outside their country's borders. For instance, Akrotiri is a UK military base in Cyprus.
Muslim countries 47
NATO countries 27
Countries belonging to the North Atlantic Treaty Organization, an alliance created to counter the Soviet and now Russian military threat.
Non-religious countries 13
Countries with populations that are the least inclined to say they are religious according to Gallup Global Religiosity Index of 2012
OPEC countries 11
Members of the Organisation of Petroleum Exporting Countries
Potential Future EU Members 8
Religious countries 24
Countries with populations that are the most inclined to say they are religious according to Gallup Global Religiosity Index, 2012
South and Central Asia 13
South Asia 5
Southern Europe 9
Southern Europe according to EuroVoc.
Sparsely populated countries 46
Sub-Saharan Africa 49
Tourist destinations 44
Countries where there are more tourists in a given year than the resident population.
UK and its territories 14
The United Kingdom and its dependences and territories.
Uninhabited areas 3
Areas with no permanent population.
Western Europe 16
Western Europe according to EuroVoc
World 304