Population of Consumers:
Population and population changes may affect demand for a commodity. Areas of high population may demand more of certain commodities than areas of low populations. For example, Nigeria may demand more of certain goods and services than Ghana because Nigeria's population is higher than that of Ghana. And even as the population of a country increases, the demand for goods and services will increase. Also if the composition or structure of population changes the demand of certain goods and services may also change.
Market Strategies:
Marketing strategies such advertising, publicity and sales promotions (e.g. raffles) are means used to get consumers to increase their purchases of commodity. They are intended to inform and persuade existing consumers as well as new ones to buy more of the commodity. Effective marketing strategy will lead to an increase in demand for the commodity, all other things being equal.