What Is Money Supply and the Naira Explained
16 October 2026 - Naira BriefingMoney supply is simply how much money is circulating in the economy. When it grows faster than the goods and services available, prices rise and the naira tends to weaken — so it sits close to both inflation and the exchange rate.
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How it works
- Narrow and broad money — cash and deposits, measured as M1, M2 and M3.
- Expansion — lending and government spending add to it.
- Too much, too fast — more naira chasing the same goods pushes prices up.
Why it matters for the naira
When money supply outpaces the economy, inflation and naira pressure follow — which is why the CBN watches it and uses rates to manage it, as covered in the MPC. It is the quiet engine behind much of the inflation.
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