For the new diagnoses of breast cancer, the most common cancer in women, the differences between the regions were smaller in 2020. Compared to 188 new diagnoses per 100,000 women in the Flemish Region, there were 175 new diagnoses in the Walloon Region and 148 new diagnoses in the Brussels-Capital Region.
The steady increase in the proportion of new prostate cancer cases observed in Flanders since 2013 has not continued in 2020. The share of new cases of breast cancer in Flanders has remained more or less stable in the most recent years, at approximately 190 per 100,000 women.
The proportion of men with a new diagnosis of prostate cancer increased sharply in Flanders in 2020 from the age group of 50 to 54 years. The proportion was highest among 75 to 79-year-olds with 1,002 new cases per 100,000 men. The chances decreased with age.
The proportion of women newly diagnosed with breast cancer increased steadily in 2020 from the age of 30. In the age groups between 65 and 84 years, these shares were around 400 new cases per 100,000 women.