A career as a spy may become more mainstream with new data indicating their jobs will be among the fastest-growing in Australia in the next few years.

The latest figures from the Department of Employment predicts intelligence and policy analysts jobs will increase by more than a third to 40,200 in the five years from May 2018 to May 2023.

ASIO employee 'Emily'.

Jobs growth for psychologists, adventure guides and audiologists are also being forecast. Personal assistants, the retail sector, switchboard operators and secretaries are among the jobs in decline with 13,600 fewer secretaries forecast to be employed in five years, a decline of almost a third.

Overall employment is predicted to grow by 7 per cent or 886,100 jobs with many of these likely to be part-time with an increase from 20.4 per cent to 31.7 per cent over the 30 years to May 2019.