Len Smith


A comparative analysis of indirect methodologies for estimating Indigenous life expectancy

Using data on the Northern Territory’s Indigenous population and deaths—the most accurate in the country—this report explores current methods used to estimate Indigenous life expectancy, and found that estimates can change by as much as 10 years merely by making small changes in the data...

Age-time interactions in mortality projection: Applying Lee-Carter to Australia

Application of the Lee-Carter method to Australian data shows that model assumptions are not always met because of age-time interactions. In this article Heather Booth, John Maindonald and Len Smith adapt the Lee-Carter method to take account of departures from linearity in the dominant time...