Nigeria's challenges - in 60 seconds
Nigeria is Africa's most populous nation, its biggest economy and largest oil producer - but many of its people live in poverty.
President Goodluck Jonathan's government is plagued by allegations of mismanagement as well as a worsening insurgency by Islamist militants.
Here's a quick look at some of the challenges the country faces, in 60 seconds.
Video produced by Michael Hirst
- From the section Africa