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Country fact sheet: Japan (Index year: 2017) / Women
| Age group | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | Age unknown | Total |
Interval | ||||||||
| Screening interval (months) | 12 | 12 | 12 | 12 | 12 | 12 | ||
| Target population | 4 023 959 | 3 792 674 | 3 971 778 | 5 107 775 | 4 060 472 | 19 874 320 | 40 830 978 | |
| Annual target population | 4 023 959 | 3 792 674 | 3 971 778 | 5 107 775 | 4 060 472 | 19 874 320 | 40 830 978 | |
| Person screened | 302 518 | 362 174 | 571 536 | 1 003 038 | 944 900 | 1 954 260 | 5 138 426 | |
| Examination coverage rate (%) | 7.5 | 9.5 | 14.4 | 19.6 | 23.3 | 9.8 | 12.6 | |
Result (All tests in the year) | ||||||||
| Positive | 14 788 | 17 556 | 28 452 | 55 309 | 59 699 | 149 934 | 325 738 | |
| Negative | 287 730 | 344 618 | 543 084 | 947 729 | 885 201 | 1 804 326 | 4 812 688 | |
| Inadequate | ||||||||
| Referral for further assessment (%) | 4.9 | 4.8 | 5.0 | 5.5 | 6.3 | 7.7 | 6.3 | |
Further assessment (all positive) | ||||||||
| Done | 10 130 | 12 819 | 21 470 | 42 327 | 45 027 | 96 014 | 227 787 | |
| Not done | 1 838 | 1 944 | 3 064 | 5 779 | 6 276 | 23 524 | 42 425 | |
| Further assessment participation rate (%) | 68.5 | 73.0 | 75.5 | 76.5 | 75.4 | 64.0 | 69.9 | |
Outcome | ||||||||
| Incomplete colonoscopy | ||||||||
| No lesion | 8 099 | 9 767 | 15 758 | 30 023 | 31 586 | 70 275 | 165 508 | |
| Adenomas (all) | 1 780 | 2 669 | 4 967 | 10 729 | 11 603 | 21 737 | 53 485 | |
| Advanced adenomas | 259 | 338 | 646 | 1 331 | 1 404 | 2 735 | 6 713 | |
| Colorectal cancers | 186 | 310 | 608 | 1 302 | 1 527 | 3 193 | 7 126 | |
| Other lesions | ||||||||