<human>:  What is the average cost of living in Tokyo?
<bot>: The average cost of living in Tokyo is quite expensive. The average rent for a one-bedroom apartment in Tokyo's city center is about ¥75,000 (about US$700) per month, while outside of Tokyo's city center the average rent is around ¥60,000 (about US$550) per month. Utilities, such as gas, water, and electricity, range between ¥20,000 and ¥30,000 (about US$180-275) per month. Groceries and other household goods also cost more in Tokyo than in other parts of Japan. The average person spends around ¥100,000 (about US$900) per month to live in Tokyo.