<P> The Nigerian general elections of 2007 were held on 14 April and 21 April 2007 . Governorship and state assembly elections were held on 14 April, while the presidential and national assembly elections were held a week later on 21 April . Umaru Yar'Adua won the highly controversial election for the ruling People's Democratic Party (PDP) and was sworn in on 29 May . </P> <P> The ruling PDP won 26 of the 32 states, according to INEC, including Kaduna State and Katsina State, where the results were contested by the local population . </P> <P> Following the presidential election, groups monitoring the election gave it a dismal assessment . Chief European Union observer Max van den Berg reported that the handling of the polls had "fallen far short" of basic international standards, and that "the process cannot be considered to be credible ." A spokesman for the United States Department of State said it was "deeply troubled" by election polls, calling them "flawed", and said it hoped the political parties would resolve any differences over the election through peaceful, constitutional means . </P> <Table> <Tr> <Td> </Td> <Td> This section needs to be updated . Please update this article to reflect recent events or newly available information . (November 2013) </Td> </Tr> </Table>

During any election the nigerian electoral system gives voting rights to