How common or varicose and spider veins? Roughly 25 million people have spider veins or varicose veins. As many as 20%of people at age 20 will have some degree of documentable varicose veins. Though often times unsymptomatic. As we age, this may go up dramatically and a high as 60% of people overage 60 having varicose or spider veins both. You can have spider veins without varicose veins, and vice versa.