How many years does reindeer live in the wild?

there is about 1,000,500,000 deers left in the Hull in tire world you want them to die everybody keeps killing them and eating them is there life have to die all they want to is live but people just keep on killing them so how are they going to live would like it if every body was killing you.So stop killing them they are living creatures for every body to watch them to enjoy.so stop killing them and enjoy them.