This publication is an annual compilation of a wide range of international economic, social and environmental statistics on over 200 countries and areas, compiled from sources including UN agencies and other international, national and specialized organizations. This edition contains data available as of 31 July 2019 and presents them in 32 tables on topics such as: communication; crime; development assistance; education; energy; environment; finance; gender; international merchandise trade; international tourism; labour force; national accounts; population and migration; price and production indices; and science and technology. Technical notes provide brief descriptions of major statistical concepts, definitions and classifications.