The glossary below may define terms not included in the main Glossary on census.gov

The main Glossary on census.gov provides official definitions covering all topics, censuses, surveys and programs.

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The number of live births occurring during a given calendar year.

The number of deaths occurring during a given calendar year.

The “less developed” countries include all of Africa, all of Asia except Japan, the Transcaucasian and Central Asian republics, all of Latin America and the Caribbean, and all of Oceania except Australia and New Zealand. This category matches the “less developed country” classification employed by the United Nations. “Less developed” countries are sometimes referred to as “developing” countries.

The “more developed” countries and areas include all of North America and Europe plus Japan, Australia, and New Zealand. This category matches the “more developed” classification employed by the United Nations.