If you have a high school diploma, your salary would be around 190,000 yen. For a junior college (similar to a vocational school), it's 200,000 yen. A university degree (bachelor's or above) would earn you 230,000 yen per month. The average salary for regular employees is 198,000 yen per month.,That is to say, as long as you don't spend extravagantly, by the age of thirty, a police officer's savings should be at least 1.5 million if not 20 million.,As for the criminal police, there are even more benefits. If you're on duty at night to investigate a crime scene, you'll get both an emergency call stipend and a night shift special operation allowance.。