Joe Biden is the current Democratic frontrunner.<br />Business Insider reports that since April Biden has raised $21.5 million.<br />That's the second highest of any Democrat.<br />Biden trails South Bend mayor Pete Buttigieg by more than $3 million.<br />Buttigieg has raised $24.8 million in the second quarter of 2019, according to campaign fundraising figures.<br />Biden's campaign started weeks later than Buttigieg's.<br />Biden's team said the candidate raised more per day than any of his rivals. <br />
