The fourth revision of ANZSCO dated 29 November 2021 updates the classification structure of occupations relating to agriculture, forestry, and fisheries, cyber security, naval shipbuilding, and the emerging occupations identified by the National Skills Commission, adding new occupations and unit groups and also removing some occupations and unit groups.
ANZSCO version 2021 has made the following changes:
1. Occupations in the Combined List (MLTSSL, STSOL, and ROL) but Removed from the new ANZSCO version 2021
| ANZSCO | Name | Assessing Authority | Skill Level | List | New / Alternative Code |
| 234112 | Agricultural Scientist | VETASSESS | 1 | MLTSSL | 234114 |
| 311111 | Agricultural Technician | VETASSESS | 2 | ROL | 311112 |
| 362212 | Arborist | TRA | 3 | STSOL | 362511 |
| 121211 | Cotton Grower | VETASSESS | 1 | ROL | 121511 |
| 121299 | Crop Farmers nec | VETASSESS | 1 | ROL | |
| 121212 | Flower Grower | VETASSESS | 1 | STSOL | 121611 |
| 121213 | Fruit or Nut Grower | VETASSESS | 1 | ROL | 121612 / 121613 |
| 362211 | Gardener (General) | TRA | 3 | STSOL | 362611 |
| 121214 | Grain, Oilseed or Pasture Grower / Field Crop Grower | VETASSESS | 1 | ROL | 121512 |
| 121215 | Grape Grower | VETASSESS | 1 | STSOL | 121617 |
| 362311 | Greenkeeper | TRA | 3 | STSOL | |
| 262112 | ICT Security Specialist | ACS | 1 | MLTSSL | 262116 |
| 223211 | ICT Trainer | ACS | 1 | STSOL | 223311 |
| 362213 | Landscape Gardener | TRA | 3 | STSOL | 362711 |
| 121411 | Mixed Crop and Livestock Farmer | VETASSESS | 1 | ROL | |
| 121216 | Mixed Crop Farmer | VETASSESS | 1 | ROL | |
| 121317 | Mixed Livestock Farmer | VETASSESS | 1 | ROL | |
| 121217 | Sugar Cane Grower | VETASSESS | 1 | ROL | 121513 |
| 121221 | Vegetable Grower (Aus) / Market Gardener (NZ) | VETASSESS | 1 | STSOL | 121616 |
| 234518 | Zoologist | VETASSESS | 1 | MLTSSL | 234522 |
- New Unit Groups in version 2021
| 8421 | Aquaculture Workers |
| 3625 | Arboriculture Workers |
| 1215 | Broadacre Crop Growers |
| 8422 | Crop Farm Workers |
| 8431 | Forestry and Logging Workers |
| 8432 | Garden Labourers |
| 3626 | Gardeners (General) |
| 1216 | Horticultural Crop Growers |
| 8433 | Horticultural Nursery Assistants |
| 3627 | Landscape Gardeners and Irrigation Technicians |
| 8423 | Livestock Farm Workers |
| 8424 | Mixed Production Farm Workers |
| 1217 | Mixed Production Farmers |
| 8439 | Other Forestry and Garden Workers |
| 8434 | Pest Control Technicians |
| 3631 | Senior Aquaculture, Crop and Forestry Workers |
| 3632 | Senior Livestock Farm Workers |
| 3633 | Shearers and Wool Classers |
- Unit Groups Removed
| 8411 | Aquaculture Workers |
| 8412 | Crop Farm Workers |
| 1212 | Crop Farmers |
| 8413 | Forestry and Logging Workers |
| 8414 | Garden and Nursery Labourers |
| 3622 | Gardeners |
| 2232 | ICT Trainers |
| 8415 | Livestock Farm Workers |
| 8416 | Mixed Crop and Livestock Farm Workers |
| 1214 | Mixed Crop and Livestock Farmers |
| 8419 | Other Farm, Forestry and Garden Workers |
| 3612 | Shearers |
- New Occupation in Version 2021
| ANZSCO | Name |
| 311112 | Agricultural and Agritech Technician |
| 234114 | Agricultural Research Scientist |
| 234115 | Agronomist |
| 311113 | Animal Husbandry Technician |
| 234116 | Aquaculture or Fisheries Scientist |
| 311114 | Aquaculture or Fisheries Technician |
| 363111 | Aquaculture Supervisor |
| 842111 | Aquaculture Worker |
| 362511 | Arborist |
| 842311 | Beef Cattle Farm Worker |
| 842411 | Broadacre Crop and Livestock Farm Worker |
| 121711 | Broadacre Crop and Livestock Farmer |
| 121599 | Broadacre Crop Growers nec |
| 842312 | Cattle and Sheep Farm Worker |
| 225114 | Content Creator (Marketing) |
| 842211 | Cotton Farm Worker |
| 121511 | Cotton Grower |
| 842299 | Crop Farm Workers nec |
| 262114 | Cyber Governance Risk and Compliance Specialist |
| 262115 | Cyber Security Advice and Assessment Specialist |
| 262116 | Cyber Security Analyst |
| 262117 | Cyber Security Architect |
| 261315 | Cyber Security Engineer |
| 262118 | Cyber Security Operations Coordinator |
| 842313 | Dairy Cattle Farm Worker |
| 261316 | Devops Engineer |
| 225115 | Digital Marketing Analyst |
| 234521 | Entomologist |
| 363112 | Fishing Leading Hand |
| 121611 | Flower Grower |
| 843999 | Forestry and Garden Workers nec |
| 363113 | Forestry Operations Supervisor |
| 843111 | Forestry Worker |
| 842212 | Fruit Farm Worker |
| 121612 | Fruit Grower |
| 842213 | Fruit Picker |
| 843211 | Garden Labourer |
| 362611 | Gardener (General) |
| 842214 | Grain, Oilseed, Pulse and Pasture Farm Worker (Aus) / Field Farm Worker (NZ) |
| 121512 | Grain, Oilseed, Pulse or Pasture Grower / Field Crop Grower |
| 121699 | Horticultural Crop Growers nec |
| 843311 | Horticultural Nursery Assistant |
| 363114 | Horticultural Supervisor or Specialist |
| 843911 | Hunter-Trapper |
| 843912 | Irrigation Assistant |
| 311115 | Irrigation Designer |
| 362712 | Irrigation Technician |
| 362711 | Landscape Gardener |
| 842399 | Livestock Farm Workers nec |
| 842314 | Livestock Husbandry Worker |
| 843112 | Logging Assistant |
| 121323 | Mixed Cattle and Sheep Farmer |
| 842499 | Mixed Production Farm Workers nec |
| 121799 | Mixed Production Farmers nec |
| 842215 | Mushroom Picker |
| 842216 | Nut Farm Worker |
| 121613 | Nut Grower |
| 312914 | Other Draftsperson |
| 261317 | Penetration Tester |
| 843411 | Pest Control Technician |
| 842315 | Piggery Farm Worker |
| 842316 | Poultry Farm Worker |
| 311314 | Primary Products Quality Assurance Officer |
| 121614 | Production Nursery Grower |
| 234612 | Respiratory Scientist |
| 311217 | Respiratory Technician |
| 363199 | Senior Aquaculture, Crop and Forestry Workers nec |
| 363211 | Senior Beef Cattle Station Worker |
| 363115 | Senior Broadacre Crop and Livestock Farm Worker |
| 363116 | Senior Broadacre Crop Farm Worker |
| 363212 | Senior Cattle and Sheep Farm Worker |
| 363213 | Senior Dairy Cattle Farm Worker |
| 363299 | Senior Livestock Farm Workers nec |
| 363214 | Senior Piggery Stockperson |
| 363215 | Senior Sheep Farm Worker |
| 363311 | Shearer |
| 842317 | Sheep Farm Worker |
| 362312 | Sports Turf Manager |
| 362313 | Sports Turf Trades Worker |
| 842318 | Stablehand |
| 842217 | Sugar Cane Farm Worker |
| 121513 | Sugar Cane Grower |
| 361116 | Track Rider |
| 843113 | Tree Faller |
| 362512 | Tree Worker |
| 121615 | Turf Grower |
| 261113 | User Experience Designer (ICT) |
| 842218 | Vegetable Farm Worker (Aus) / Market Garden Worker (NZ) |
| 121616 | Vegetable Grower (Aus) / Market Gardener (NZ) |
| 842221 | Vegetable Picker |
| 363117 | Vineyard Supervisor |
| 842222 | Vineyard Worker |
| 121617 | Wine Grape Grower |
| 363312 | Wool Classer |
| 842321 | Wool Handler |
| 234522 | Zoologist |
- Occupations Removed and New/Alternative Code
| ANZSCO | Name | New / Alternative code |
| 234112 | Agricultural Scientist | 234114 |
| 311111 | Agricultural Technician | 311112 |
| 841111 | Aquaculture Worker | 842111 |
| 362212 | Arborist | 362511 |
| 841511 | Beef Cattle Farm Worker | 842311 |
| 121211 | Cotton Grower | 121511 |
| 841299 | Crop Farm Workers nec | 842299 |
| 121299 | Crop Farmers nec | |
| 841512 | Dairy Cattle Farm Worker | 842313 |
| 841999 | Farm, Forestry and Garden Workers nec | |
| 121212 | Flower Grower | 121611 |
| 841311 | Forestry Worker | 843111 |
| 841211 | Fruit or Nut Farm Worker | 842212 / 842216 |
| 121213 | Fruit or Nut Grower | 121612 / 121613 |
| 841212 | Fruit or Nut Picker | 842213 |
| 841411 | Garden Labourer | 843211 |
| 362211 | Gardener (General) | 362611 |
| 841213 | Grain, Oilseed or Pasture Farm Worker (Aus) / Field Crop Farm Worker (NZ) | |
| 121214 | Grain, Oilseed or Pasture Grower / Field Crop Grower | 121512 |
| 121215 | Grape Grower | 121617 |
| 362311 | Greenkeeper | |
| 841412 | Horticultural Nursery Assistant | 843311 |
| 841911 | Hunter-Trapper | 843911 |
| 262112 | ICT Security Specialist | 262116 |
| 223211 | ICT Trainer | 223311 |
| 362213 | Landscape Gardener | 362711 |
| 841599 | Livestock Farm Workers nec | |
| 841312 | Logging Assistant | 843112 |
| 841611 | Mixed Crop and Livestock Farm Worker | 842399 |
| 121411 | Mixed Crop and Livestock Farmer | |
| 121216 | Mixed Crop Farmer | |
| 841513 | Mixed Livestock Farm Worker | |
| 121317 | Mixed Livestock Farmer | |
| 841217 | Mushroom Picker | 842215 |
| 841913 | Pest Controller | 843411 |
| 841514 | Poultry Farm Worker | 842316 |
| 361211 | Shearer | 363311 |
| 841515 | Sheep Farm Worker | 842317 |
| 841516 | Stablehand | 842318 |
| 121217 | Sugar Cane Grower | 121513 |
| 841313 | Tree Faller | 843113 |
| 121218 | Turf Grower | 121615 |
| 841214 | Vegetable Farm Worker (Aus) / Market Garden Worker (NZ) | 842218 |
| 121221 | Vegetable Grower (Aus) / Market Gardener (NZ) | 121616 |
| 841215 | Vegetable Picker | 842221 |
| 841216 | Vineyard Worker | 842222 |
| 399917 | Wool Classer | 363312 |
| 841517 | Wool Handler | 842321 |
| 234518 | Zoologist | 234522 |
- New Marketing and ICT Occupations
| ANZSCO | Name |
| 225114 | Content Creator (Marketing) |
| 262114 | Cyber Governance Risk and Compliance Specialist |
| 262115 | Cyber Security Advice and Assessment Specialist |
| 262116 | Cyber Security Analyst |
| 262117 | Cyber Security Architect |
| 261315 | Cyber Security Engineer |
| 262118 | Cyber Security Operations Coordinator |
| 261316 | Devops Engineer |
| 225115 | Digital Marketing Analyst |
| 261317 | Penetration Tester |
| 261113 | User Experience Designer (ICT) |
