Google has been steadily revealing some of the biggest questions its users have typed into the search engine about 2016 presidential candidates. Many of the questions focused on candidates' ages and heights, according to the website. Google Politics tweeted about former first lady and Secretary of State Hillary Clinton's announcement that she is seeking the presidency. 'It's official. @HillaryClinton is running. Here are the Q's people are asking @google about Clinton in the past hour:' Search: One of the biggest questions about Hillary Clinton was about how old she is . Democratic presidential candidate Hillary Rodham Clinton poses for a photo with Simpson College student MacKenzie Bills, center, after meeting with Iowa Democratic Party lawmakers at the Statehouse . The most popular question typed into Google during that time period was asking how old Clinton is. The second-most popular was 'Is Hillary Clinton a Democrat?' Clinton is 67 years old and a member of the Democratic Party. Last Monday, Sen. Rand Paul (R-KY) announced he is seeking the Oval Office in 2016. That day, Google Politics tweeted what it said were 'Related questions to Rand Paul in the last 24 hours.' Those included 'How tall is Rand Paul?' and 'How old is Rand Paul?' Revealed: Google Politics tweeted last week what it said were 'Related questions to Rand Paul' after he revealed he is seeking the Oval Office in 2016 . Questions about Rand Paul included 'How tall is Rand Paul?' and 'How old is Rand Paul?' Candidate: The top questions on Marco Rubio were 'How old is Marco Rubio?' and 'Where was Marco Rubio born?' He is 43 years old and was born in Florida to Cuban immigrants . Republican Senator from Florida Marco Rubio walks near the Senate chamber, on Capitol Hill in Washington DCon 15 April . Paul is 52 years old. The International Business Times reported in 2013 he is 5'8" tall. Others asked about Paul's father and what type of doctor he is. Paul is an opthalmologist, and his father is the former Republican congressman Ron Paul. Sen. Marco Rubio (R-FL), said he is running for president on Monday. That day, Google Politics tweeted that the number one question for Rubio was 'How old is Marco Rubio?' Per The Blaze, some related questions asked about Ted Cruz was 'Where was Ted Cruz born?' and 'How old is Ted Cruz?' Cruz was born in Canada and is 44 years old . Some related questions asked about Sen. Ted Cruz (R-TX) were 'Where was Ted Cruz born?' and 'How old is Ted Cruz?' The second-most popular question about the senator was 'Where was Marco Rubio born?' Rubio is 43 years old and was born in Florida to Cuban immigrants. The third-most popular question was about Rubio's height. The International Business Times reported in 2013 he is 5'9". Per The Blaze, some related questions asked about Sen. Ted Cruz (R-TX) was 'Where was Ted Cruz born?' and 'How old is Ted Cruz?' Cruz was born in Canada and is 44 years old. Charts made available on Google Trends show that interest in Paul and Cruz has dipped somewhat since both made their announcements, but seemed to be slightly increasing early this week. Interest in Clinton and Rubio, however, seemed to be on the rise as of Sunday after they said they were running. Daily Mail Online has reached out to Google for more information on top searches on the candidates. Waning interest? According to Google Trends data, interest in Sen. Rand Paul decreased somewhat after he announced he is running for president . Interest in Sen. Ted Cruz also decreased following his announcement in late March. However, it seemed to be on the rise somewhat early this week . Soaring: This Google Trends chart shows interest in Marco Rubio has increased since he said he's running . Big leap: Interest also jumped for Hillary Clinton and seems to have grown since her Sunday announcement .
Google has been steadily revealing some of the biggest questions its users have typed into the search engine regarding 2016 presidential candidates .
Many of the questions focused on candidates' ages and heights .
Others have asked about where candidates are from and their political party affiliations .