Three factors that may limit the effectiveness of a demographic transition in influencing population size: Lack of skilled workers, this is one of the most important things, since people with special qualities and some type of studies are needed to plan and carry out policies for the good development of a society, without including the structural and economic growth; Lack of financial capital, without this, the creation of budgets for the population would be very limited or null; and Large debt can limit the effectiveness, this would jeopardize the generation or application of any public policy for population growth.