Public: Adults, general public, 27 nations, ±1980 Data on average happiness in nations drawn from World Database of Happiness: Catalogue of Happiness in Nations. Non-probability chunk sample consisting of 27 national probability samples. Variables entered: Cultural pluralism, Defense-spending, Demographic condition, Economic condition of the nation, Habitability of land, Average health of citizens, Literacy and schooling, Political participation of nation, Political democracy, Political stability of nation, Gender inequality (women emancipation), Vulnerability of a nation, Summed nation characteristics, Social security.