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Also, for trend analysis purposes, included are a number of time series tables covering a decade or longer. Starting with volume fourteen, the annual contains a new section, Changing Opinions: A 50-year Retrospective, which consists of opinion polling data gathered a half century ago in a number of countries;

This, the thirteenth annual volume of the Index to International Public Opinion, includes data from public opinion polls dealing with more than 145 countries and geographical regions.