If you are one of those wondering how big the mutual fund market is in Nigeria this article Punch may interest you. According to Bismark Rewane;
The total mutual funds, collective investment schemes in this market, are less than $1bn in a market where there is over $50bn of market capitalisation.
So, less than two or three per cent of total market cap is CIS, whereas in other markets, it is the mutual funds and others who are the majority of investors in the market.