 Total persons | | 21 507 719 | 10 634 013 | 10 873 706 |
| Age group 0-4 years | | 1 421 048 | 729 969 | 691 079 |
| Age group 5-14 years | | 2 722 973 | 1 397 869 | 1 325 104 |
| Age group 15-19 years | | 1 405 798 | 722 378 | 683 420 |
| Age group 20-24 years | | 1 460 675 | 741 120 | 719 555 |
| Age group 25-34 years | | 2 967 019 | 1 474 122 | 1 492 897 |
| Age group 35-44 years | | 3 063 015 | 1 501 687 | 1 561 328 |
| Age group 45-54 years | | 2 951 547 | 1 452 702 | 1 498 845 |
| Age group 55-64 years | | 2 503 361 | 1 235 728 | 1 267 633 |
| Age group 65-74 years | | 1 627 410 | 798 114 | 829 296 |
| Age group 75-84 years | | 982 193 | 441 164 | 541 029 |
| Age group 85 years and over | | 402 680 | 139 161 | 263 519 |
| Counted on Census Night At home | | 20 481 151 | 10 069 314 | 10 411 837 |
| Counted on Census Night Elsewhere in Australia | | 1 026 568 | 564 701 | 461 867 |
| Indigenous persons Total | | 548 368 | 270 331 | 278 037 |
| Indigenous persons - Aboriginal | | 495 756 | 244 027 | 251 729 |
| Indigenous persons -Torres Strait Islander | | 31 406 | 15 806 | 15 600 |
Indigenous persons - Both Aboriginal and Torres Strait Islander | | 21 206 | 10 498 | 10 708 |
| Birthplace Australia | | 15 017 844 | 7 412 597 | 7 605 247 |
| Birthplace Elsewhere | | 5 294 147 | 2 593 756 | 2 700 391 |
| Language spoken at home - English only | | 16 509 290 | 8 147 580 | 8 361 710 |
| Language spoken at home - Other language | | 3 912 939 | 1 893 196 | 2 019 743 |
| Australian citizen | | 18 261 806 | 8 971 741 | 9 290 065 |
| Age of persons attending an educational institution 0-4 years | | 277 308 | 141 598 | 135 710 |
| Age of persons attending an educational institution 5-14 years | | 2 428 140 | 1 244 399 | 1 183 741 |
| Age of persons attending an educational institution 15-19 years | | 1 004 520 | 501 509 | 503 011 |
| Age of persons attending an educational institution 20-24 years | | 515 259 | 242 873 | 272 386 |
| Age of persons attending an educational institution 25 years and over | | 766 654 | 301 633 | 465 021 |
| Highest year of school completed - Year 12 or equivalent | | 8 260 554 | 3 955 720 | 4 304 834 |
| Highest year of school completed - Year 11 or equivalent | | 1 684 371 | 849 238 | 835 133 |
| Highest year of school completed - Year 10 or equivalent | | 3 691 090 | 1 842 047 | 1 849 043 |
| Highest year of school completed - Year 9 or equivalent | | 1 098 424 | 553 371 | 545 053 |
| Highest year of school completed - Year 8 or below | | 1 020 483 | 486 353 | 534 130 |
| Highest year of school completed - Did not go to school | | 142 572 | 61 816 | 80 756 |
| Count of persons in occupied private dwellings | | 19 855 989 | 9 733 714 | 10 122 272 |
| Count of persons in other dwellings | | 1 651 725 | 900 299 | 751 432 |