How has the number of people dying of cardiovascular disease changed since the 1920's?

Age adjusted, Yes!: Cdc achievements in public health, 1900 -1999: since 1921, heart disease has been the leading cause of death and since 1938 stroke has been the 3rd leading cause of death. Together they account for 40 % of all deaths. Since 1950 age adjusted death rates from cardiovascular disease has declined 60%. Attributed to decreased smoking & etter treatment for blood pressure and diabetes in minorities.

Yes: Number is up more people more old people more diabetics more obesity lots of smokers more cv diseases- pvd, heart, stroke, DVT etc percentage from heart may be down a bit per aha and care and research improvements.