A longevity phenomenon was identified among the residents of the Kostanay region.
Within two years, the number of residents in the region who reached the age of 100 almost tripled. Today there are 149 centenarians over 100 years old.
At the same time, the number of people over the age of 80 is decreasing, and the number of people 90 and over continues to grow.
What explains this demographic contrast and what factors influence longevity statistics - in the material.