Data graphs on Nigeria's crude oil production at current levels in 2018 and backdated to 2014. The data, sourced from the Energy Information Administration, can be downloaded in CSV format.
Nigeria national water supply and sanitation baseline survey, 2013
A baseline study of the share of people in Nigeria who have access to safe water and sanitation facilities, updated in 2013. It is available in PDF from the Federal Ministry of Water Resources.
A World Bank affiliated project, the Africa Power Mining database shows existing and planned mines across the continent by mineral, ore grade and project size. It synthesises existing data from annual reports, mining news sites, the US Geological Survey and others.
The State of Mining in Africa is a synthesised desktop-based report looking at investment trends and challenges on the continent. It includes royalty tax rates by country.
The UN-Water Global Analysis and Assessment of Sanitation and Drinking-Water (GLAAS) 2017 report is the formal global monitoring instrument used for the sustainable development goals. It provides aggregates at national level.