Data sources

National sources (Nigeria)

• National Bureau of Statistics (NBS): GDP, inflation, labour force, capital importation and trade.
• Central Bank of Nigeria (CBN): monetary policy, exchange rates (NFEM), reserves and money market data.
• Debt Management Office (DMO): public debt and government securities.
• Budget Office of the Federation: budgets, budget implementation reports and appropriation documents.
• Federation Account Allocation Committee (FAAC): monthly revenue sharing.
• Nigeria Revenue Service (formerly FIRS) and state revenue services: tax collections.
• Nigerian Exchange (NGX) and the Securities and Exchange Commission: equity markets.
• Nigerian Communications Commission and the Nigerian Upstream Petroleum Regulatory Commission: telecoms and oil.

International sources

• World Bank World Development Indicators: country profiles and comparisons.
• IMF World Economic Outlook: government finance and debt ratios.
• European Central Bank reference rates: cross rates used for currencies other than the US dollar.

Sources used in our datasets

• National Bureau of Statistics (6 datasets)
• Central Bank of Nigeria (3 datasets)
• Budget Office of the Federation (2 datasets)
• BudgIT analysis of the 2026 budget proposal (2 datasets)
• Nigerian Exchange (2 datasets)
• Appropriation Act 2026 (2 datasets)
• FAAC data compiled by ThisDay (1 dataset)
• FAAC communiqué (1 dataset)
• Nigerian Communications Commission (1 dataset)
• US Energy Information Administration (1 dataset)
• PITA (1 dataset)
• FIRS/NRS annual figures as reported by ThisDay (1 dataset)
• NGX year-end closes (1 dataset)
• BudgIT analysis of federal budgets (1 dataset)
• BudgIT analysis of the 2026 federal budget (1 dataset)
• Appropriation Acts as reported by ICIR (1 dataset)
• CBN NFEM rate and press reports of parallel market rates (1 dataset)
• World Bank (1 dataset)
• CBN auction results (1 dataset)
• Nigeria Tax Act 2025 (1 dataset)

Update schedule

Market figures are updated each business day. Inflation, GDP, policy decisions and budget documents are updated when the official release is published. Country profiles from the World Bank and IMF are refreshed weekly.