Gross Domestic Product (GDP): the total value of goods and services produced within a country over a given period, used as a measure of economic size.
今年の国内総生産は前年より2%増加した。
This year's GDP increased by 2% compared to the previous year.
国内総生産（GDP）は政策決定の際の重要な指標だ。
Gross Domestic Product (GDP) is an important indicator for policy decisions.
一人当たりの国内総生産で国を比較することが多い。
Countries are often compared by GDP per capita.