Analysis of Informal Voting, House of Representatives, 2010 Federal Election: Appendix E

Updated: 30 May 2013
New South Wales
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 79 176 27.0 1.84
B: Incomplete numbering 103 123 35.1 2.40
  B–1: Number '1' only 93 466 31.8 2.17
  B–2: Number '1, 2' only 4 589 1.6 0.11
  B–3: Number '1, 2, 3' only 2 487 0.8 0.06
  B–4: Number '1, 2, 3, 4' only 938 0.3 0.02
  B–5: Number '1, 2, 3, 4, 5' only 641 0.2 0.01
  B–6: Number '1, 2, 3, 4, 5, 6' only 379 0.1 0.01
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 294 0.1 0.01
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 186 0.1 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 143 0.0 0.00
C: Ticks and crosses 40 405 13.8 0.94
D: Other symbols (e.g. alphabetic characters, zeros etc.) 1 495 0.5 0.03
E: Non-sequential numbering 29 148 9.9 0.68
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 6 497 2.2 0.15
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 824 0.3 0.02
  E–3: Repeated number '1's. 5 916 2.0 0.14
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 1 576 0.5 0.04
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 7 208 2.5 0.17
  E–6: Other non-sequential numbering 7 127 2.4 0.17
F: Scribbles, slogans or other protest vote marks 35 304 12.0 0.82
  F–1: Scribbles/slogans 15 376 5.2 0.36
  F–2: Candidate names changed 2 926 1.0 0.07
  F–3: Other protest vote marks 17 002 5.8 0.40
G: Illegible numbers 1 198 0.4 0.03
  G–1: Illegible numbers, first preference clear, second preference not clear 420 0.1 0.01
  G–2: Illegible numbers, first and second preferences clear 358 0.1 0.01
  G–3: Illegible numbers, first preference not clear 420 0.1 0.01
H: Voter identified 131 0.0 0.00
I: Other informal ballot papers 3 783 1.3 0.09
Total 293 763 100.0 6.83

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

Victoria
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 47 745 31.9 1.43
B: Incomplete numbering 33 627 22.5 1.01
  B–1: Number '1' only 31 005 20.7 0.93
  B–2: Number '1, 2' only 1 344 0.9 0.04
  B–3: Number '1, 2, 3' only 703 0.5 0.02
  B–4: Number '1, 2, 3, 4' only 292 0.2 0.01
  B–5: Number '1, 2, 3, 4, 5' only 133 0.1 0.00
  B–6: Number '1, 2, 3, 4, 5, 6' only 55 0.0 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 95 0.1 0.00
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 13 606 9.1 0.41
D: Other symbols (e.g. alphabetic characters, zeros etc.) 1 400 0.9 0.04
E: Non-sequential numbering 16 353 10.9 0.49
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 2 972 2.0 0.09
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 417 0.3 0.01
  E–3: Repeated number '1's. 3 816 2.5 0.11
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 1 299 0.9 0.04
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 4 137 2.8 0.12
  E–6: Other non-sequential numbering 3 712 2.5 0.11
F: Scribbles, slogans or other protest vote marks 32 524 21.7 0.98
  F–1: Scribbles/slogans 13 274 8.9 0.40
  F–2: Candidate names changed 3 144 2.1 0.09
  F–3: Other protest vote marks 16 106 10.8 0.48
G: Illegible numbers 1 309 0.9 0.04
  G–1: Illegible numbers, first preference clear, second preference not clear 426 0.3 0.01
  G–2: Illegible numbers, first and second preferences clear 342 0.2 0.01
  G–3: Illegible numbers, first preference not clear 541 0.4 0.02
H: Voter identified 45 0.0 0.00
I: Other informal ballot papers 3 090 2.1 0.09
Total 149 699 100.0 4.50

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

Queensland
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 36 446 26.5 1.45
B: Incomplete numbering 47 610 34.7 1.89
  B–1: Number '1' only 44 247 32.2 1.75
  B–2: Number '1, 2' only 2 189 1.6 0.09
  B–3: Number '1, 2, 3' only 889 0.6 0.04
  B–4: Number '1, 2, 3, 4' only 168 0.1 0.01
  B–5: Number '1, 2, 3, 4, 5' only 63 0.0 0.00
  B–6: Number '1, 2, 3, 4, 5, 6' only 23 0.0 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 31 0.0 0.00
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 13 626 9.9 0.54
D: Other symbols (e.g. alphabetic characters, zeros etc.) 428 0.3 0.02
E: Non-sequential numbering 7 120 5.2 0.28
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 1 026 0.7 0.04
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 121 0.1 0.00
  E–3: Repeated number '1's. 1 311 1.0 0.05
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 374 0.3 0.01
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 1 911 1.4 0.08
  E–6: Other non-sequential numbering 2 377 1.7 0.09
F: Scribbles, slogans or other protest vote marks 28 828 21.0 1.14
  F–1: Scribbles/slogans 10 668 7.8 0.42
  F–2: Candidate names changed 1 813 1.3 0.07
  F–3: Other protest vote marks 16 347 11.9 0.65
G: Illegible numbers 404 0.3 0.02
  G–1: Illegible numbers, first preference clear, second preference not clear 129 0.1 0.01
  G–2: Illegible numbers, first and second preferences clear 145 0.1 0.01
  G–3: Illegible numbers, first preference not clear 130 0.1 0.01
H: Voter identified 55 0.0 0.00
I: Other informal ballot papers 2 878 2.1 0.11
Total 137 395 100.0 5.45

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

Western Australia
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 19 348 31.7 1.53
B: Incomplete numbering 15 304 25.1 1.21
  B–1: Number '1' only 13 786 22.6 1.09
  B–2: Number '1, 2' only 777 1.3 0.06
  B–3: Number '1, 2, 3' only 387 0.6 0.03
  B–4: Number '1, 2, 3, 4' only 194 0.3 0.02
  B–5: Number '1, 2, 3, 4, 5' only 79 0.1 0.01
  B–6: Number '1, 2, 3, 4, 5, 6' only 16 0.0 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 65 0.1 0.01
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 7 061 11.6 0.56
D: Other symbols (e.g. alphabetic characters, zeros etc.) 884 1.4 0.07
E: Non-sequential numbering 6 401 10.5 0.51
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 1 500 2.5 0.12
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 295 0.5 0.02
  E–3: Repeated number '1's. 1 404 2.3 0.11
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 239 0.4 0.02
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 1 532 2.5 0.12
  E–6: Other non-sequential numbering 1 431 2.3 0.11
F: Scribbles, slogans or other protest vote marks 10 339 17.0 0.82
  F–1: Scribbles/slogans 5 210 8.5 0.41
  F–2: Candidate names changed 709 1.2 0.06
  F–3: Other protest vote marks 4 420 7.2 0.35
G: Illegible numbers 374 0.6 0.03
  G–1: Illegible numbers, first preference clear, second preference not clear 122 0.2 0.01
  G–2: Illegible numbers, first and second preferences clear 103 0.2 0.01
  G–3: Illegible numbers, first preference not clear 149 0.2 0.01
H: Voter identified 56 0.1 0.00
I: Other informal ballot papers 1 200 2.0 0.09
Total 60 967 100.0 4.82

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

South Australia
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 18 313 32.4 1.77
B: Incomplete numbering 14 439 25.5 1.39
  B–1: Number '1' only 13 124 23.2 1.27
  B–2: Number '1, 2' only 548 1.0 0.05
  B–3: Number '1, 2, 3' only 293 0.5 0.03
  B–4: Number '1, 2, 3, 4' only 132 0.2 0.01
  B–5: Number '1, 2, 3, 4, 5' only 123 0.2 0.01
  B–6: Number '1, 2, 3, 4, 5, 6' only 154 0.3 0.01
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 65 0.1 0.01
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 7 258 12.8 0.70
D: Other symbols (e.g. alphabetic characters, zeros etc.) 478 0.8 0.05
E: Non-sequential numbering 6 294 11.1 0.61
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 1 848 3.3 0.18
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 134 0.2 0.01
  E–3: Repeated number '1's. 1 133 2.0 0.11
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 354 0.6 0.03
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 1 556 2.8 0.15
  E–6: Other non-sequential numbering 1 269 2.2 0.12
F: Scribbles, slogans or other protest vote marks 8 786 15.5 0.85
  F–1: Scribbles/slogans 3 464 6.1 0.33
  F–2: Candidate names changed 879 1.6 0.08
  F–3: Other protest vote marks 4 443 7.9 0.43
G: Illegible numbers 230 0.4 0.02
  G–1: Illegible numbers, first preference clear, second preference not clear 94 0.2 0.01
  G–2: Illegible numbers, first and second preferences clear 58 0.1 0.01
  G–3: Illegible numbers, first preference not clear 78 0.1 0.01
H: Voter identified 24 0.0 0.00
I: Other informal ballot papers 743 1.3 0.07
Total 56 565 100.0 5.46

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

Tasmania
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 4 696 34.1 1.38
B: Incomplete numbering 2 766 20.1 0.81
  B–1: Number '1' only 2 595 18.8 0.76
  B–2: Number '1, 2' only 140 1.0 0.04
  B–3: Number '1, 2, 3' only 31 0.2 0.01
  B–4: Number '1, 2, 3, 4' only 0 0.0 0.00
  B–5: Number '1, 2, 3, 4, 5' only 0 0.0 0.00
  B–6: Number '1, 2, 3, 4, 5, 6' only 0 0.0 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 0 0.0 0.00
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 1 440 10.4 0.42
D: Other symbols (e.g. alphabetic characters, zeros etc.) 62 0.4 0.02
E: Non-sequential numbering 657 4.8 0.19
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 51 0.4 0.01
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 0 0.0 0.00
  E–3: Repeated number '1's. 154 1.1 0.05
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 113 0.8 0.03
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 201 1.5 0.06
  E–6: Other non-sequential numbering 138 1.0 0.04
F: Scribbles, slogans or other protest vote marks 3 820 27.7 1.12
  F–1: Scribbles/slogans 1 391 10.1 0.41
  F–2: Candidate names changed 255 1.8 0.07
  F–3: Other protest vote marks 2 174 15.8 0.64
G: Illegible numbers 121 0.9 0.04
  G–1: Illegible numbers, first preference clear, second preference not clear 42 0.3 0.01
  G–2: Illegible numbers, first and second preferences clear 24 0.2 0.01
  G–3: Illegible numbers, first preference not clear 55 0.4 0.02
H: Voter identified 2 0.0 0.00
I: Other informal ballot papers 227 1.6 0.07
Total 13 791 100.0 4.04

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

Australian Capital Territory
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 3 266 29.9 1.39
B: Incomplete numbering 3 052 27.9 1.30
  B–1: Number '1' only 2 969 27.2 1.27
  B–2: Number '1, 2' only 83 0.8 0.04
  B–3: Number '1, 2, 3' only 0 0.0 0.00
  B–4: Number '1, 2, 3, 4' only 0 0.0 0.00
  B–5: Number '1, 2, 3, 4, 5' only 0 0.0 0.00
  B–6: Number '1, 2, 3, 4, 5, 6' only 0 0.0 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 0 0.0 0.00
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 1 535 14.0 0.65
D: Other symbols (e.g. alphabetic characters, zeros etc.) 5 0.0 0.00
E: Non-sequential numbering 273 2.5 0.12
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 37 0.3 0.02
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 15 0.1 0.01
  E–3: Repeated number '1's. 58 0.5 0.02
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 61 0.6 0.03
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 69 0.6 0.03
  E–6: Other non-sequential numbering 33 0.3 0.01
F: Scribbles, slogans or other protest vote marks 2 466 22.6 1.05
  F–1: Scribbles/slogans 828 7.6 0.35
  F–2: Candidate names changed 291 2.7 0.12
  F–3: Other protest vote marks 1 347 12.3 0.57
G: Illegible numbers 8 0.1 0.00
  G–1: Illegible numbers, first preference clear, second preference not clear 4 0.0 0.00
  G–2: Illegible numbers, first and second preferences clear 2 0.0 0.00
  G–3: Illegible numbers, first preference not clear 2 0.0 0.00
H: Voter identified 2 0.0 0.00
I: Other informal ballot papers 319 2.9 0.14
Total 10 926 100.0 4.66

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

Northern Territory
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 1 597 25.8 1.60
B: Incomplete numbering 1 511 24.4 1.51
  B–1: Number '1' only 1 219 19.7 1.22
  B–2: Number '1, 2' only 147 2.4 0.15
  B–3: Number '1, 2, 3' only 123 2.0 0.12
  B–4: Number '1, 2, 3, 4' only 22 0.4 0.02
  B–5: Number '1, 2, 3, 4, 5' only 0 0.0 0.00
  B–6: Number '1, 2, 3, 4, 5, 6' only 0 0.0 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 0 0.0 0.00
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 0 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 0 0.0 0.00
C: Ticks and crosses 793 12.8 0.79
D: Other symbols (e.g. alphabetic characters, zeros etc.) 64 1.0 0.06
E: Non-sequential numbering 1 089 17.6 1.09
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 163 2.6 0.16
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 61 1.0 0.06
  E–3: Repeated number '1's. 192 3.1 0.19
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 46 0.7 0.05
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 475 7.7 0.47
  E–6: Other non-sequential numbering 152 2.5 0.15
F: Scribbles, slogans or other protest vote marks 1 035 16.7 1.03
  F–1: Scribbles/slogans 689 11.1 0.69
  F–2: Candidate names changed 54 0.9 0.05
  F–3: Other protest vote marks 292 4.7 0.29
G: Illegible numbers 59 1.0 0.06
  G–1: Illegible numbers, first preference clear, second preference not clear 34 0.5 0.03
  G–2: Illegible numbers, first and second preferences clear 11 0.2 0.01
  G–3: Illegible numbers, first preference not clear 14 0.2 0.01
H: Voter identified 3 0.0 0.00
I: Other informal ballot papers 47 0.8 0.05
Total 6 198 100.0 6.19

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.

National
Category/subcategory Number Proportion of all informal ballots (%) Proportion of all votes cast (%)
A: Totally blank 210 587 28.9 1.60
B: Incomplete numbering 221 432 30.4 1.69
  B–1: Number '1' only 202 411 27.8 1.54
  B–2: Number '1, 2' only 9 817 1.3 0.07
  B–3: Number '1, 2, 3' only 4 913 0.7 0.04
  B–4: Number '1, 2, 3, 4' only 1 746 0.2 0.01
  B–5: Number '1, 2, 3, 4, 5' only 1 039 0.1 0.01
  B–6: Number '1, 2, 3, 4, 5, 6' only 627 0.1 0.00
  B–7: Number '1, 2, 3, 4, 5, 6, 7' only 550 0.1 0.00
  B–8: Number '1, 2, 3, 4, 5, 6, 7, 8' only 186 0.0 0.00
  B–9: Number '1, 2, 3, 4, 5, 6, 7, 8, 9' only 143 0.0 0.00
C: Ticks and crosses 85 724 11.8 0.65
D: Other symbols (e.g. alphabetic characters, zeros etc.) 4 816 0.7 0.04
E: Non-sequential numbering 67 335 9.2 0.51
  E–1: Unique first preference but repeated numbers within sequence, all squares completed 14 094 1.9 0.11
  E–2: Unique first preference but repeated numbers within sequence, not all squares completed 1 867 0.3 0.01
  E–3: Repeated number '1's. 13 984 1.9 0.11
  E–4: Missing numbers within sequence, number '1' missing and no repeated numbers 4 062 0.6 0.03
  E–5: Unique first preference but missing numbers within sequence, no repeated numbers 17 089 2.3 0.13
  E–6: Other non-sequential numbering 16 239 2.2 0.12
F: Scribbles, slogans or other protest vote marks 123 102 16.9 0.94
  F–1: Scribbles/slogans 50 900 7.0 0.39
  F–2: Candidate names changed 10 071 1.4 0.08
  F–3: Other protest vote marks 62 131 8.5 0.47
G: Illegible numbers 3 703 0.5 0.03
  G–1: Illegible numbers, first preference clear, second preference not clear 1 271 0.2 0.01
  G–2: Illegible numbers, first and second preferences clear 1 043 0.1 0.01
  G–3: Illegible numbers, first preference not clear 1 389 0.2 0.01
H: Voter identified 318 0.0 0.00
I: Other informal ballot papers 12 287 1.7 0.09
Total 729 304 100.0 5.55

Source: AEC, Informal Ballot Paper Survey, 2010 House of Representatives election.