Municipal elections were held in South Africa on 18 May 2011, electing new councils for all municipalities in the country. Municipal elections are held every five years, and the previous municipal elections were held in 2006. The first municipal elections following the reorganisation of municipalities took place in December 2000. Half of the seats (rounded up for odd numbers) in each municipality are elected on the first past the post system in single member wards. The other half of the seats are allocated to restore proportionality as follows: