1981 IMO

The 22nd IMO occurred in 1981 in Washington D.C., the United States of America. Twenty-seven countries participated; teams were of eight students. Unofficially, the United States finished first, with 314 out of 336 possible points. Cutoffs for medals were 41 points for gold, 34 points for silver, and 26 points for bronze; 36 gold, 37 silver, and 30 bronze medals were awarded.