Answer:
This is an example of deductive reasoning.
Step-by-step explanation:
Deduction is the act of drawing out conclusions from an original premise. It starts from a generalized idea and moves into a more personalized one; it goes from general to particular.
In this case, you look up your country and birth year, find the general data of life expectancy and then you deduce you will live that long; going from the general population data to your personal one.