The UNDP website (select your country and then look at "About ____" also you can click MDGs and select 2 and 3 to see the progress your country has made
http://www.ng.undp.org/content/nigeria/en/home/countryinfo/
The OECD Map on International Aid (you have to select if your country is a donor, or recipient, then click on it, then click "more info"
And the WANGO directory on NGOs, after clicking on your region, you can click on your country, and the sector to see all the NGOs working there, then you'll have to google the names of them to find out what the NGOs do
http://www.wango.org/resources.aspx?section=ngodir
http://www.ng.undp.org/content/nigeria/en/home/countryinfo/
The OECD Map on International Aid (you have to select if your country is a donor, or recipient, then click on it, then click "more info"
And the WANGO directory on NGOs, after clicking on your region, you can click on your country, and the sector to see all the NGOs working there, then you'll have to google the names of them to find out what the NGOs do
http://www.wango.org/resources.aspx?section=ngodir
http://www.compareyourcountry.org/aid-statistics?cr=302&cr1=oecd&lg=en&page=1