Democratic debate by the numbers: How will this debate be different?

The first Democratic primary debate will take place over two nights this week in Miami with the largest field of presidential candidates in American history.

>>Democratic debate live updates: What time, channel, how to watch the first debate; livestream

Ten candidates will appear on the debate stage on Wednesday and a second 10 will take part in the second half of the debate on Thursday.

The debate will see several firsts as the 2020 presidential election season gets underway. Here’s a look at some numbers from the debate:


There is a 32-year age difference between the youngest and oldest candidates (both women) on stage Wednesday in Miami. Here are the ages of candidates participating in the first half of the debate.

Sen. Cory Booker - 50
Sen. Elizabeth Warren - 70
Former Rep. Beto O'Rourke - 46
Former Rep. John Delaney - 56
Rep. Tulsi Gabbard - 38
Sen. Amy Klobuchar - 59
Former Housing Secretary Julián Castro - 44
New York City Mayor Bill de Blasio - 58
Gov. Jay Inslee - 68
Rep. Tim Ryan - 45

>> Jamie Dupree: Warren leads Democrats into first night of 2020 debates


Sen. Bernie Sanders, I-Vermont, has the largest war chest so far among the 20 Democratic candidates who will debate this week. According to Sanders' campaign finance information, his campaign raised more than $20 million through March 31, the end of the first reporting period.

Former Vice President Joe Biden has not released the amount of money he has raised in his race for the Oval Office. He joined the race after the deadline to file campaign finance material for the first reporting period. Sanders and Biden will be debating on Thursday.


Five people will be moderating the debate – two women and three men.


The debate will last two hours. Candidates have 60 seconds to answer the questions posed by moderators. They will have 30 seconds for a rebuttal.

National polls

In the latest Monmouth poll – conducted June 12-17 – Biden has 32%, Warren 15%, Sanders 14%, Kamala Harris 8% and Pete Buttigieg 5%.


The over/under bet on the number of mentions of the word "Trump" is 20.5, according to An over/under bet is a bet on whether the outcome of an event will be above or below a number a bookmaker comes up with prior to the event.


According to Rasmussen Reports, "Since 1972, every non-incumbent major party presidential nominee has appeared in a primary debate … ."

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