The statistic shows the growth of the real gross domestic product (GDP) in Japan from the first quarter of 2012 to first quarter of 2013. GDP refers to the total market value of all goods and services that are produced within a country. It is an important indicator of the economic strength of a country. Real GDP is adjusted for price changes and is therefore regarded as a key indicator for economic growth. In the first quarter of 2012, the seasonally adjusted GDP of Japan increased by 1.3 percent compared to the previous quarter.