The Labour Force Survey is a major survey conducted by the Central Bureau of Statistics among households. The survey follows the development of the labour force in Israel, its size and characteristics, as well as the extent of unemployment and other trends. The survey data contains detailed information on characteristics of the Israeli labour force, age, years of schooling, type of school last attended, data on immigrants of 1990 and later, etc. It is also a means of collecting statistical data on living conditions, mobility in employment, and many other topics. The monthly publication includes 70 tables and is divided into 3 chapters: characteristics of the labour force; employed persons; and unemployed persons. It is published toward the end of each month and contains data for the previous month.