The 1990 CIA World Factbook

; permanent crops--land cultivated for crops that are not replanted after each harvest (citrus, coffee, rubber); meadows and pastures--land permanently used for herbaceous forage crops; forest and woodland--land under dense or open stands of trees; and other--any land type not specifically mentioned above (urban areas, roads, desert). The percentage figure for irrigated refers to the portion of the entire amount of land area that is artificially supplied with water. Leaders: The chief of state is the titular leader of the country who represents the state at official and ceremonial funcions but is not involved with the day-to-day activities of the government. The head of government is the administrative leader who manages the day-to-day activities of the government. In the UK, the monarch is the chief of state and the prime minister is the head of government. In the US, the President is both the chief of state and the head of government. Life expectancy at birth: The average number of years to be lived by a gr