Futaba is a town in Fukushima Prefecture, Japan. As of 1 April 2020, the town had an actual population of zero, although as of 2017, the official registered population was 6,093 in 2,301 households. The total area of the town is 51.42 square kilometres (19.85 sq mi). However, as of March 2011, the entire population was evacuated as a result of the Fukushima Daiichi nuclear disaster. Since 2013, only 4% of the town has been open to visitors and residents, who are permitted to return only during daylight hours.