Original sentence: <sup>1.In 1991 the estimated ethnic composition of the municipality of Cazin's 63,406 residents was: 61,861 Bosniaks1 (97.56%), 765 Serbs (1.21%), 411 Yugoslavs (0.65%), 142 Croats (0.22%), and 227 others (0.36%).Today, it is estimated that the municipality of Cazin has 72,000 residents with a clear Bosniak majority.Were not a consitutional nation so they had to register as either Serbs or Croats (some also registered as "others", although this was not often due to the fact that such nationality was not constitutional) up to 1968 from which the majority registered under a new distinct constitutional nationality - Muslims by nationality
Edited sentence: In 1991 the estimated ethnic composition of the municipality of Cazin's 63,406 residents was: 61,861 Bosniaks (97.56%), 765 Serbs (1.21%), 411 Yugoslavs (0.65%), 142 Croats (0.22%), and 227 others (0.36%).Today, it is estimated that the municipality of Cazin has 72,000 residents with a clear Bosniak majority, as the vast majority of people who declared themselves as Muslims_by_nationality in 1991 now consider themselves to be Bosniaks