The National Population Projections Expert Advisory Group: results from a questionnaire about future trends in fertility, mortality and migration.

This article discusses the results of a questionnaire completed by the National Population Projections Expert Advisory Group in spring 2007. As well as asking for the experts' opinions on the most likely future levels of key fertility, mortality and migration indicators, views were collected about a wide range of factors that may have an influence on key demographic variables over the next 25 years.