On May 3, 2016, Sanders won the Indiana primaries with 53% to Clinton's 47% of the vote. On May 7, 2016, he lost the Guam caucuses with 40% to Clinton's 60% of the vote. On May 10, 2016, Sanders won the West Virginia primaries with 51% to Clinton's 36% of the vote. On May 17, 2016, Sanders lost the Kentucky primaries by less than 1%. On the same day, he won the Oregon primaries with 55% of the vote to Clinton's 46%.