In April 2015 Sanders announced his campaign for the 2016 Democratic nomination for president of the United States . Initially considered a long shot , he went on to win 23 primaries and caucuses and approximately 43 % of pledged delegates , to Hillary Clinton 's 55 % . His campaign was noted for its supporters ' enthusiasm , as well as for his rejection of large donations from corporations , the financial industry , and any associated Super PAC . In July 2016 he formally endorsed Clinton in her general election campaign against Republican Donald Trump , while urging his supporters to continue the " political revolution " his campaign began . In February 2019 Sanders announced a second presidential campaign , joining multiple other Democratic candidates pursuing the party nomination
2016 Democratic nomination
2016 Democratic National Convention
Bernie Sanders