According to the newspaper, the average hourly wage for a part-time job is continuously increasing for the past 3 month in Tokyo, Tokai and Kansai area. The average hourly wage for a part-time job was 1058 yen in December 2018. Even if it increased, some companies have difficulty on hiring an employee. I found an advertisement of a part time job in front of a restaurant called Sukiya. Hourly wage from 5 am to 10 pm is 950 yen and the rest of the time is 1118 yen based on the advertisement.