Last week the ABS released its annual births data. It confirmed the steady decline in the total fertility rate (TFR) in Australia over the past decade. However at the same time, the number of births remains at historically high levels. This juxtaposition is a great example of why numbers and rates provide greater insights into the drivers of population change and the impact on age cohorts. The annual births data also presents an opportunity to examine trends in smaller geographic regions. Read on to find out more.