A process for the production of fluorine-containing polymers which comprises the first step of polymerizing a fluorine-containing monomer mixture comprising both a perhaloganated ethylenic monomer and a non-perhalogenated ethylenic monomer by using a water-soluble radical polymerization initiator without adding any emulsifying agent to prepare a dispersion containing fluorine-containing emulsified particles having ionic functional groups and the second step of conducting the emulsion polymerization of a fluorine-containing monomer in the presence of the emulsified particles by using a radicalpolymerization initiator without adding any emulsifying agent to prepare a fluorine-containing polymer having few ionic functional groups, wherein the emulsified particles prepared in the first step is used in an amount of 0.01 to 5.0 mass% based on the fluorine-containing polymer obtained in the second step and the amount of the water-soluble radical polymerization initiator used in the first step is adjusted to be 0.01 to 1000 mass% based on the emulsified particles obtained in the first step. According to the process, the polymerization can proceed stably without any deposit on the wall surface of a polymerization tank in spite of using no emulsifying agent and a fluorine-containing polymer having few ionic functional groups can be produced.