Nigeria relatively little violence or voter fraud, in contrast to previous elections. In the March 2015 election, Muhammadu Buhari defeated Goodluck Jonathan by roughly 2 million votes. Observers generally praised the election as being fair. Jonathan was generally praised for conceding defeat and limiting the risk of unrest. Nigeria is a federal republic modelled after the United States, with executive power exercised by the President. It is influenced by the Westminster System model in the composition and management of the upper and lower houses of the bicameral legislature. The president presides as both head of state and head of the federal
2014 Nigeria GDP rebasing 2014 Nigeria GDP rebasing In April 2014, the National Bureau of Statistics, Nigeria, under the government of Nigeria, announced changes to the way it calculated GDP, changing the calculation to more accurately reflect current prices and market structure, thus giving more weight to Nollywood and mobile phone services that had grown a lot recently. As a result, Nigeria's estimate of its GDP increased by 89%, moving it from Africa's second biggest economy (after South Africa) to the biggest economy. These changes were known as the 2014 Nigeria GDP rebasing or simply the rebasing. The base year for calculation (including information