Elderly people who use blood products will be increasing by the effects of low birthrate and longevity, however, according to this graph, most donors are less than 50 years old, so it will increase the risk of the number of donors will decrease. In short, if low birthrate and longevity will be more serious, it is sure to interfere with the future of blood donation.
As the measures of low birthrate and longevity, some activities now.
To donate blood with security, "blood donation seminar" is held.
To donors who has donated blood donate blood again, Red Cross Society works on spreading information which is environment enhancement and public awareness （＝blood donation seminar)
Also, bring with decrease of donors, the companies and the schools donate blood as group donation. Group donation is that the bloodmobile goes to the venue or if the bloodmobile can't stop there, donate blood (Open Blood Donation) at the conference room instead of the venue.
By the affects of it, the number of supply blood is decreasing. To supply bloods stably, some activities have been done.