Two years ago, Australia experienced a booming home building sector which led to very high demand for construction workers. Now that home building has decreased, the construction sector which employs almost a tenth of the Australian workforce, is struggling tremendously. The central bank has just listed unemployment and underemployment as its two most pressing issues. The decline in building projects has meant that construction workers have been laid-off and unable to find work.
See "Cracks in home building sector rattle Australia's economy", Tom Westbrook, Reuters, July 24, 2019