Department for Social Development Tags: Government Agency.The Department for Social Development is a devolved Northern Ireland government department in the Northern Ireland Executive. The minister with overall responsibility for the department is the Minister for Social Development. budget ($) 5.054E8 formation date 1999-12-01 formation year 1999-01-01T00:00:00+02:00 jurisdiction Northern Ireland leader Nelson McCausland number of employees 7452 Learn more... Loading...