2015 Nigerian general election north-eastern states. The government closed its land and sea borders from midnight on 25 March until the end of the polling date. The election was extended to 29 March due to delays and technical problems with the biometric card readers. It was the most expensive election ever to be held on the African continent. Nigeria is the continent's most populous country, has its largest economy and is its leading oil producer. Opposition candidate Muhammadu Buhari won the presidential election by more than 2.5 million votes. Incumbent President Goodluck Jonathan conceded defeat on 31 March, before the results from all 36
Goodluck Jonathan a PhD degree in Zoology from the University of Port Harcourt. Before he entered politics in 1998, he worked as an education inspector, lecturer and environmental-protection officer. Jonathan and his wife, Dame Patience Jonathan have two children. He is a Christian from the Ijaw ethnic group. In 2007, Jonathan declared his assets worth a total of ₦ 295,304,420 (then equivalent to $8,569,662 USD). However, on 9 October 2014, the richestlifestyle.com website ranked Mr Jonathan sixth on its list, claiming his net worth was about $100m (£62m). He threatened to sue the website, claiming it "was an attempt to portray him