Reducing the rate of increase of the population control policy by defining the rate of increase of the population, of course, and effective. Planning for both short and long term.
Reducing the rate of population growth. By policymakers to control the rate of population growth, and certainly efficient. Planning, both short and long term.
Reducing the rate of increase of the population. The policy to control the population growth rate of exact and efficient. Planning both short and long term.