Are your children on your insurance plan?
Does it cost more on your insurance for a child over 12 years of age?
Answers:
Your ? is not clear.
You will discharge an additional premium for respectively child, regardless of age. Some charge more as the child ages.
If you propose family insurance from work after no, the cost for a child is the same from birth till 18 or for some till 24 if a full time student.
Health insurance? Yes, they're on it. Life insurance? No, they aren't.
There isn't a price break for kids of different ages. They all receive charged the same rate.