The study investigated the influence of family size, income and marriage types of healthy life of randomly selected families. It adopted ex-post-factor research design within Ikenne Local Government Area of Ogun State. Four hypotheses were tested and analyzed by the use of multiple regression and independent t-tests. All hypotheses were tested at 0.05 level of significant. The finding reveals that the three independent variables contributed 28.1% to healthy living and they were significant. Also family income was the most contributors to the healthy living follows by Home types and family size. The result also indicates that people on higher income earners and monogamous setting do enjoy better health than that of the lower income earners and separated home. From the result of the study, it is therefore recommended that: 1. The families should limit the number of children and dependent so as to enjoy better health. 2. Government and corporate enterprises should look into wages and salaries, so that more money will be available to for a better healthy life. 3. People are encouraged to set up a monogamous home other than separated or polygamy.

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