The years for the data do not correlate precisely, but the UK and USA statistics in respect of newly diagnosed in a year and deaths in a year differ in proportion.
CML UK:
diagnosed in a year 742
deaths in a year 219
deaths in a year as a proportion of newly diagnosed 29.51%
https://www.cancerresearchuk.org/health-professional/cancer-statistics/s...
CML USA:
diagnosed in a year 8,430
deaths in a year 1,090
deaths in a year as a proportion of newly diagnosed 12.93%
What explains the relative difference in the statistics?
Population USA 325.7 million
Population of UK 66.02 million