Popper nwetara ọtụtụ ihe nrite na nsọpụrụ n'ọhịa ya, gụnyere Lippincott Award nke American Political Science Association, Sonning Prize, Otto Hahn Peace Medal nke United Nations Association nke Germany na Berlin na ndị otu na Royal Society, British Academy, London School of Economics, King's College London, Darwin College, Cambridge, Austrian Academy of Sciences na Charles University, Prague, Austria. Enyere ya nnukwu ihe nrite nke nsọpụrụ na ọla edo maka ọrụ na Republic of Austria na 1986, na Federal Republic of Germany ya na Grand Cross na Sash nke Order of Merit, na udo nke klas nke Order le Mérite. O nwetara ihe nrite nke Laureate Award site na International Academy of Humanism. A họpụtara ya ka ọ bụrụ onye na-agba ọsọ na 1965, a họpụtara ya ka ọ bụrụ onye otu nke Royal Society na 1976. Enyere ya onyinye na Royal Society, British Academy, London School of Economics, King's College London, Darwin College, Cambridge, Austrian Academy of Sciences na Charles University, Prague, Austria. Enyere ya nnukwu ihe nrite nke nsọpụrụ na ọla edo maka ọrụ na Republic of Austria na 1986, na Federal Republic of Germany ya na Grand Cross na
Afọ 1965