A hypertonic solution (pronounced HÄ«-per-TAWN-ik) is a solution with a higher concentration of solute (dissolved substance) than some other, specified solution (and which therefore has a higher osmotic pressure than the other solution). The solution with the lower concentration is then termed hypotonic.
North Dakotaâs average retirement age is 64, up from 63 in 2015. We found that 9% of the stateâs residents are still working at age 80. Thatâs higher than the national labor force participation rate for people that age (6%).
Retirement Age Calculator. The Full Retirement Age Is Increasing. Full retirement age (also called normal retirement age) had been 65 for many years. However, beginning with people born in 1938 or later, that age gradually increases until it reaches 67 for people born after 1959.