GDP or Gross Domestic Product of a country is considered to be one of the most important measure of economic activity in that country. The percapita gross domestic product is the GDP (total income) of a country, divided by its population. It provides a good measure of the economic activity and well-being of the country for international comparative purposes.
GDP is an aggregation of the demand, production and income of the country. In many countries, especially small and in the Third World, growth is hectic and irregular, with frequent and deep absolute falls and booms.