an increasing trendp < 0.001
The crude death rate of cancer in the six provinces of northwest China from 2013 to 2021 showed an increasing trend (AAPC = 3.96%, p < 0.001).The age-standardized mortality rate of cancer in six provinces in northwest China was overall stable from 2013 to 2021 (AAPC = − 0.13%, p = 0.928) but exhibited a decreasing trend from 2017 to 2021 (AAPC = − 5.64%, p = 0.047).