Industry, No. of sole traders 2017/18 , No. of sole traders 2018/19 , No. of sole traders 2019/20 , No. of sole traders 2020/21 , No. of sole traders 2021/22 ,% of sole traders 2021/22 Construction," 196,603 "," 200,262 "," 203,265 "," 206,558 "," 209,530 ",12% Professional Scientific & Technical Services," 142,660 "," 151,311 "," 157,840 "," 164,805 "," 167,767 ",10% Transport Postal & Warehousing," 104,855 "," 116,733 "," 125,282 "," 126,177 "," 137,656 ",8% Healthcare & Social Assistance," 103,757 "," 109,696 "," 116,867 "," 125,798 "," 135,551 ",8% Other Services," 76,236 "," 81,231 "," 85,432 "," 91,487 "," 97,740 ",6% Administrative & Support Services," 68,457 "," 76,202 "," 81,688 "," 87,885 "," 94,712 ",6% Agriculture Forestry & Fishing," 61,158 "," 60,316 "," 60,047 "," 59,889 "," 60,095 ",4% Retail Trade," 41,992 "," 44,563 "," 46,388 "," 49,663 "," 52,867 ",3% Arts & Recreation Services," 40,115 "," 43,802 "," 45,599 "," 47,490 "," 50,130 ",3% Education & Training," 32,184 "," 35,908 "," 37,947 "," 39,923 "," 42,140 ",2% Manufacturing," 27,711 "," 29,204 "," 29,492 "," 30,412 "," 31,575 ",2% Rental Hiring & Real Estate Services," 21,822 "," 22,260 "," 22,963 "," 23,627 "," 24,015 ",1% Accommodation & Food Services," 16,867 "," 17,553 "," 18,041 "," 18,863 "," 19,665 ",1% Wholesale Trade," 12,386 "," 12,977 "," 12,971 "," 13,211 "," 13,375 ",1% Finance & Insurance Services," 12,765 "," 12,755 "," 12,971 "," 13,407 "," 13,218 ",1% Information Media & Telecommunications," 10,113 "," 11,494 "," 11,451 "," 12,175 "," 12,702 ",1% Public Administration & Safety," 3,925 "," 4,149 "," 3,993 "," 3,581 "," 3,607 ",0.20% Electricity Water & Waste Services," 1,534 "," 1,655 "," 1,687 "," 1,684 "," 1,728 ",0.10% Mining, 936 , 925 , 925 , 931 , 918 ,0.10% Unknown or Missing Industry," 27,965 "," 10,678 "," 8,890 "," 8,093 "," 7,881 ",0.50% Multiple or Undefined Industry," 401,694 "," 428,231 "," 457,400 "," 507,764 "," 519,649 ",31% ,,,,,, Source: Based on ABS Customised report 2025. ,,,,,,