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.

From: Forecast of a future leveling of the incidence trends of female breast cancer in Taiwan: an age-period-cohort analysis

 

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

  1. aThe World Health Organization’s 2000 world standard populations were used to compute the truncated age-standardized incidence rate (age range 25 + years).