The book "CIA World Factbook 1991" is a detailed collection of information about the countries of the world, which was compiled by the Central Intelligence Agency of the United States in 1991. This book collects data on the geographical location, economy, political system, population, culture and other aspects of each state. The publication contains information that helps in understanding the modern world, its development and interrelationships between states. The book provides the reader with an opportunity to deepen knowledge of political geography, demography and socioeconomic aspects of the countries of the world at the turning point of 1991.