Life expectancy in canada continues to steadily increase. by 2021, the life expectancy for a 65-year-old is expected to have increased by about five years from 1966. the population aged 85 and over is the fastest-growing segment of the overall senior population. how does this trend influence the projected population of canada? a) the population is aging and growing. b) the population is aging and decreasing. eliminate c) the population is leveling out with no change over time. d) the population is decreasing to a higher mortality rate.