If you could do this, nobody would ever buy car insurance until after an accident happened.
If you’re caught doing it you risk fines or imprisonment, as does the agent who agreed to do it.
Along with age, the insurer will look at an individual's health history and current health.
Gender also plays a role in how much someone will be charged for life insurance coverage and the company will want to know if the person is -or ever was- a smoker for ratings purposes.
But if you can lock in a slightly lower rate for 20 years, that would save you money over time.
Once your policy is issued, your rate is locked in for your whole life or the duration of your term.