In the article, results are submitted of the study of disability of those persons presenting with diabetes mellitus (DM) in Tashkent over the period 1997-1998. Among DM subjects referrable to the examination, there prevails type 2 DM (13.9 +/- 1.6) and (10.6 +/- 0.7) years in duration in 1997 and 1998 respectively. Average DM subject age was (52.7 +/- 1.0) in 1997 and (49.7 +/- 0.8) in 1998 at the time the examined person was declared an invalid. Invalidism is noted to be on the increase (141%). At examination, more than 80 percent of persons presenting with DM are declared disabled.