This page shows statistical data on irrigation of agricultural lands worldwide.Irrigation is the artificial abstraction of water from a source followed by the distribution of it at scheme level aiming at application at field level to enhance crop production when rainfall is scarce. This page shows statistical data on irrigation of agricultural lands worldwide.Irrigation is the artificial abstraction of water from a source followed by the distribution of it at scheme level aiming at application at field level to enhance crop production when rainfall is scarce. The appended table gives an overview of irrigated areas in the world in 2003 Only the countries with more than 10 million ha of irrigated land are mentioned.