Table 1 Age-standardized and age-specific breast cancer incidence rates per 100,000 population (the observed rates in 2016 and the projected rates in 2025 and 2035) and the projected percentage changes from 2016 to 2025 and 2026 to 2035.
Incidence rate in 2016 | Case number in 2016 | Projected incidence rate in 2025 (projected percentage change from 2016 to 2025) | Projected case number in 2025 | Projected incidence rate in 2035 (projected percentage change from 2026 to 2035) | Projected case number in 2035 | |
|---|---|---|---|---|---|---|
Age-standardizeda | 128.20 | 148.25 (15.64%) | 149.45 (0.81%) | |||
Age-specific | ||||||
Age 25–29 | 9.48 | 73 | 9.99 (5.36%) | 72.1 | 8.52 (− 14.71%) | 40.1 |
Age 30–34 | 30.62 | 282 | 31.55 (3.02%) | 247.3 | 27.64 (− 12.39%) | 156.8 |
Age 35–39 | 70.24 | 719 | 76.11 (8.35%) | 595.7 | 68.53 (− 9.96%) | 505.5 |
Age 40–44 | 138.52 | 1270 | 150.36 (8.55%) | 1434.6 | 139.33 (− 7.34%) | 1100.8 |
Age 45–49 | 215.98 | 1992 | 217.55 (0.73%) | 2218.8 | 207.68 (− 4.54%) | 1621.6 |
Age 50–54 | 206.75 | 1956 | 244.90 (18.45%) | 2187.8 | 241.13 (− 1.54%) | 2276.6 |
Age 55–59 | 205.70 | 1832 | 251.68 (22.36%) | 2287.9 | 255.58 (1.55%) | 2564.2 |
Age 60–64 | 218.58 | 1732 | 259.51 (18.73%) | 2383.0 | 272.66 (5.07%) | 2378.0 |
Age 65–69 | 212.47 | 1163 | 259.81 (22.28%) | 2197.6 | 282.40 (8.69%) | 2472.5 |
Age 70–74 | 163.63 | 587 | 236.01 (44.23%) | 1704.6 | 265.64 (12.55%) | 2281.1 |
Age 75–79 | 168.47 | 536 | 205.05 (21.71%) | 904.1 | 239.19 (16.65%) | 1783.5 |
Age 80–84 | 140.55 | 305 | 199.31 (41.81%) | 547.3 | 241.15 (20.99%) | 1379.5 |
Age 85 + | 111.23 | 205 | 160.06 (43.91%) | 480.7 | 201.03 (25.60%) | 920.2 |