Here are the ages of all the 2020 Democratic presidential candidates and how old they would be upon taking office

The 2020 field is one of the most diverse in history in terms of age, which has become a focal point for 2020 Democrats.

Mayor Pete Buttigieg, for example, is partially centering his campaign on the theme of intergenerational justice, arguing a new generation of leadership can solve the problems facing America.

The US Constitution mandates that a candidate must be at least 35 to be eligible for the presidency. The youngest-ever president was Theodore Roosevelt, who took office at 42 years and 322 days old in 1901.

Buttigieg and Rep. Tulsi Gabbard, both 38, are attempting to overtake Roosevelt’s record as America’s youngest president.

President Donald Trump holds the title of oldest president at the time of his first election, taking office at 70 years and 220 days old.

But four of the top candidates in the Democratic primary field could break his record.

Sen. Bernie Sanders, former Vice President Joe Biden, former Mayor Michael Bloomberg, and Sen. Elizabeth Warren would be the oldest presidents ever on their first Inauguration Day. If elected, Sanders would be 79, Biden and Bloomberg would both be 78, and Warren would be 71 upon assuming office.

Here’s a breakdown of the 2020 Democrats’ current ages and how old they would be for their inauguration.

Mayor Pete Buttigieg is 38, and he would be 39 years and one day old upon taking office.

Read more about Buttigieg’s campaign.

Rep. Tulsi Gabbard is also 38. She would be 39 years and 283 days old upon taking office.

Read more about Gabbard’s campaign.

Sen. Amy Klobuchar is 59. She would be 60 years and 240 days old on Inauguration Day.

Read more about Klobuchar’s campaign.

The billionaire activist Tom Steyer is 62. He would be 63 years and 207 days old on Inauguration Day.

Read more about Steyer’s campaign.

Sen. Elizabeth Warren is 70. She would be 71 years and 212 days old upon taking office in 2021.

Elizabeth Warren speaks at a campaign rally.
Scott Olson/Getty Images

Read more about Warren’s campaign.

Former Vice President Joe Biden is 77, and he would be 78 years and 61 days old on Inauguration Day 2021.

Read more about Biden’s campaign.

Former Mayor Michael Bloomberg of New York City is 78. He would be 78 years and 341 days old upon taking office.

Mike Bloomberg.
Mark Wilson/Getty Images

Read more about Bloomberg’s campaign.

Sen. Bernie Sanders is 78. He would be 79 years and 134 days old upon assuming office.

Read more about Sanders’ campaign.

Read more:

Young adults support Bernie Sanders because they want to benefit from ‘boomer socialism’ that older Americans already enjoy

From the wealthy to Wall Street, here’s how the 2020 Democrats would redraw the US tax code with their plans

Here’s everything we know about the net worth and personal finances of each 2020 Democratic presidential candidate