( CNN ) -- President Barack Obama is preparing for his second-term Inauguration and with that comes the inevitable Cabinet shake-up . Here 's a look at presidential Cabinets , by the numbers : . 4 - Secretaries in President George Washington 's Cabinet : state , treasury , war , and attorney general . 16 - Members of the Cabinet today , including the vice president and heads of 15 executive agencies . 4 - Women in Obama 's first-term Cabinet . Richard Blanco becomes America 's first Latino , openly gay inaugural poet . At least 3 - Cabinet members officially staying on for Obama 's second term : Attorney General Eric Holder , Health Secretary Kathleen Sebelius and Veterans Affairs Secretary Eric Shinseki . 4 - Cabinet positions so far in which Obama already has or is expected to nominate a second-term replacement : state , defense , treasury and labor . 4th - Cabinet line of succession to the presidency . The secretary of state is behind the vice president , the House speaker , and the Senate president pro tempore . 2 - Members of President Ronald Reagan 's Cabinet who remained in office during both of his two terms : Vice President George H. W. Bush and Housing Secretary Samuel Pierce . There was turnover in every other position . 1966 - Year the first African-American appointed to a Cabinet : Housing Secretary Robert C. Weaver , who served under President Lyndon Johnson from 1966 until 1968 . 6 - Secretaries of state who later became president : Thomas Jefferson , James Madison , James Monroe , John Quincy Adams , Martin Van Buren , and James Buchanan . 1933 - Year the first woman appointed to a Cabinet - Secretary of Labor Frances Perkins , who served under Franklin Roosevelt from 1933 until 1945 . 16 - Years served by Agriculture Secretary James Wilson , from 1897 until 1913 . He reported to three presidents : William McKinley , Theodore Roosevelt and William Howard Taft . BeyoncÃ© to sing anthem at Inauguration . 2 - Number of Latinos in President Barack Obama 's first-term Cabinet : Labor Secretary Hilda Solis and Interior Secretary Ken Salazar . Labor secretary resigns 'to begin a new future ' 85 - 'Yea ' votes in the Senate in January 2005 to select Condoleezza Rice as the first African-American woman and first Republican woman secretary of state . 5 - Secretaries of the treasury appointed by President Andrew Jackson during his two terms in office . He appointed four secretaries of state .
4 - Secretaries in President George Washington 's Cabinet : state , treasury , war , and attorney general . 4 - Women in Obama 's first-term Cabinet . 2 - Number of Latinos in President Obama 's first-term Cabinet . 5 - Secretaries of the treasury appointed by President Andrew Jackson .