A study by Hiroshima City, announced on August 1, revealed that the number of surviving A-bomb victims within the city fell under 90,000 to 88,592 in fiscal 2000 (as of March 31, 2001). This is a decrease of 1,592 (1.8%) compared to the previous fiscal year. The average age of the survivors rose 0.7 year since the previous year to 70.1. This is the first time the average age exceeded 70, underscoring the aging of the survivors.

The surviving victims in fiscal 2000 included 34,347 males and 54,245 females. In the past year, 2,170 died and 539 moved out of the city. During the same year, 622 newly acquired A-bomb Survivor Health Books, and 495 moved to Hiroshima City.

The largest age group is 70-79 at 29,362 (33.1%), a 2.5 percentage point increase over the previous fiscal year. This is followed by 60-69 at 26,018 (29.4%), 54-59 at 16,872 (19.0%), 80-89 at 12,825 (14.5%), and over 90 at 3,515 (4.0%).

The average age for both males and females rose 0.8% over the previous fiscal year to 67.6 for males and 71.8 for females.

The number of surviving victims nationwide (as of March 31, 2001) is 291,824. Survivors in Hiroshima City account for 30.4%.