The line graph delineates number of Australian mining industry employees in thousand units between 1900 and 1990.
Overall, the data indicate a consistent decrease in number of the employees, with a rapid rise in one-decade span.
In 1900, the number of the employees was almost at its peak, with over 55 thousand employees and followed a downward trend until 1940, with loss of 25 thousand workers. In a single decade, the number of miners hit a high of 60 thousand units, rapidly growing until 1950.
The rest of the century, Australian mining industry witnessed a substantial drop, hitting its lowest in 1990 by reaching 15 thousand workers, remaining a decrease trend.