In British Politics, caseworkers are often employed by Members of Parliament (MPs) to assist with problems brought to them by their constituents. The variety and type of work undertaken by these caseworkers varies greatly depending on the character of the MP. Often, MPs who focus very much on the needs of their constituency will have more active caseworkers, willing to offer assistance with a range of problems relating to tax, housing, welfare benefits, immigration and a range of other subjects. Social Worker has a very specific meaning in the UK.
As of 2004, there were approximately "876,000 child welfare caseworkers in the United States. Seventy-two percent are women, and their mean salary is $30,590. Caseworker turnover is high; every year, an estimated 20 percent of public caseworkers and 40 percent of private caseworkers leave their positions.: