From total number of 8.945 patient at Institute for determination of working ability in Sarajevo during 2000, there was selected 2.362 (26,4%) patient with cardiovascular diseases for analysis, and from that number 1.810 (86,63%) men and 552 (23,37%) women. With 760 patients it was not found any disability or all conditions were not for field (diagnosis or medical treatment was not finished).With 1.602 patients was determinated disability, from that number in loco (62,42%) cases first category and in 602 (37,58%) cases second category of disability. Lost of working ability in a first determination was verified in 512 (51,2%) cases, change of working ability in 265 (44,02%) cases. Cardiovascular diseases are causes dominant of first category of disability. Ethiological participation at 34,8% was at the first place, in fron of the group with mental and behavior disturbances (28,8%) and cancers (l0,7%). Homogeny structure of regional distribution (criteria p 0,01) pointing that cardiovascular diseases in all territories of Federation without regional significations. In ethiology of first category of disability on a first place are hypertensive diseases (110-115),with 27,2%, ishaemic diseases of heart (120-125) with 25,1% and other diseases of heart (130-152) with 15,2% cerebrovascular diseases (160-169) with 16,62% and diseases of arteries, arterioles and capillars (170-179) with 13,75% in ethiology of second category disability are participating with 20,5% after musculosceletal diseases and group of injuries in war, on work and out of work. Real cause of disability is not discovered, not prevented, not treated, not properly treatedand not controlled arterial hypertension.