## Aims and objectives

### Aim

To introduce the most important concepts and methods used for making population projections.

### Objectives

At the end of this session, you should be able to:

- Define and distinguish between a population projection and a population forecast
- Apply simple mathematical models of growth to extrapolate total population
- Undertake a straightforward projection of population size by age and sex using the cohort-component method.

This session will take approximately **3.5 hours **to complete.