 Since 1961 the censuses are conducted in regular ten-year intervals, with the latest one in 2011.The first institution set up in the country specifically for the purposes of maintaining population statistics was the State Statistical Office, founded in 1875.Since its founding, the office changed its name and structure several times and was alternately subordinated to other institutions and independent, until the most recent changes in 1992, when the institution became the Croatian Bureau of Statistics.