Editing President of the United States (section)

== Timeline of presidents ==
{{see also|List of presidents of the United States}}

The following [[Bar chart|timeline]] depicts the progression of the presidents and their political affiliation at the time of assuming office.

<div class="center">{{#tag:timeline|
ImageSize  = width:1500 height:auto barincrement:18
PlotArea   = top:10 bottom:20 right:130 left:10
AlignBars  = late
DateFormat = x.y
Period     = from:1788.90 till:{{#expr:{{#time:Y}}+{{#time:m}}/6}}
TimeAxis   = orientation:horizontal
ScaleMajor = unit:year increment:10 start:1790
ScaleMinor = unit:year increment:1 start:1789

Define $now = {{#expr:{{#time:Y}}+{{#time:m}}/12}}

Colors =
  id:5year   value:rgb(0.8, 0.8, 0.8)
  id:0year   value:rgb(0.6, 0.6, 0.6)
  id:noparty value:rgb(0.7, 0.7, 0.7)
  id:fed     value:rgb(0.85, 0.52, 0.38)
  id:demrep  value:rgb(0, 0.5, 0)
  id:whig    value:rgb(0.84, 0.74, 0.34)
  id:nlunion value:rgb(0.7, 0.13, 0.13)
  id:dem     value:rgb(0.2, 0.2, 1)
  id:rep     value:rgb(1, 0.2, 0.2)
  id:seat1   value:rgb(0.60,0.10,0.10)
  id:blank   value:white

BarData =
  barset:PresidentLine
  barset:Presidents
  #barset:blankline

PlotData=
 width:1 align:right fontsize:S shift:(-3,-4) anchor:from fontsize:8 color:black

 barset:PresidentLine
 from:1804 till:end text:Presidents

 width:6 align:left fontsize:S shift:(5,-4) anchor:till fontsize:10

 barset:Presidents
 from:1789.40 till:1797.17 color:noparty text:"George Washington"
 from:1797.17 till:1801.17 color:fed text:"John Adams"
 from:1801.17 till:1809.17 color:demrep text:"Thomas Jefferson"
 from:1809.17 till:1817.17 color:demrep text:"James Madison"
 from:1817.17 till:1825.17 color:demrep text:"James Monroe"
 from:1825.17 till:1829.17 color:demrep text:"John Quincy Adams"
 from:1829.17 till:1837.17 color:dem text:"Andrew Jackson"
 from:1837.17 till:1841.17 color:dem text:"Martin Van Buren"
 from:1841.17 till:1841.26 color:whig text:"William Henry Harrison"
 from:1841.26 till:1845.17 color:whig text:"John Tyler"
 from:1845.17 till:1849.17 color:dem text:"James K. Polk"
 from:1849.17 till:1850.52 color:whig text:"Zachary Taylor"
 from:1850.52 till:1853.17 color:whig text:"Millard Fillmore"
 from:1853.17 till:1857.17 color:dem text:"Franklin Pierce"
 from:1857.17 till:1861.17 color:dem text:James Buchanan"
 from:1861.17 till:1865.29 color:rep text:"Abraham Lincoln"
 from:1865.29 till:1869.17 color:nlunion text:"Andrew Johnson"
 from:1869.17 till:1877.17 color:rep text:"Ulysses S. Grant"
 from:1877.17 till:1881.17 color:rep text:"Rutherford B. Hayes"
 from:1881.17 till:1881.73 color:rep text:"James A. Garfield"
 from:1881.73 till:1885.17 color:rep text:"Chester A. Arthur"
 from:1893.17 till:1897.17 color:dem text:"Grover Cleveland"
 from:1889.17 till:1893.17 color:rep text:"Benjamin Harrison"
 from:1897.17 till:1901.72 color:rep text:"William McKinley"
 from:1901.72 till:1909.17 color:rep text:"Theodore Roosevelt"
 from:1909.17 till:1913.17 color:rep text:"William Howard Taft"
 from:1913.17 till:1921.17 color:dem text:"Woodrow Wilson"
 from:1921.17 till:1923.59 color:rep text:"Warren G. Harding"
 from:1923.59 till:1929.17 color:rep text:"Calvin Coolidge"
 from:1929.17 till:1933.17 color:rep text:"Herbert Hoover"
 from:1933.17 till:1945.28 color:dem text:"Franklin D. Roosevelt"
 from:1945.28 till:1953.05 color:dem text:"Harry S. Truman"
 from:1953.05 till:1961.05 color:rep text:"Dwight D. Eisenhower"
 from:1961.05 till:1963.89 color:dem text:"John F. Kennedy"
 from:1963.89 till:1969.05 color:dem text:"Lyndon B.Johnson"
 from:1969.05 till:1974.61 color:rep text:"Richard Nixon"
 from:1974.61 till:1977.05 color:rep text:"Gerald Ford"
 from:1977.05 till:1981.05 color:dem text:"Jimmy Carter"
 from:1981.05 till:1989.05 color:rep text:"Ronald Reagan"
 from:1989.05 till:1993.05 color:rep text:"George H. W. Bush"
 from:1993.05 till:2001.05 color:dem text:"Bill Clinton"
 from:2001.05 till:2009.05 color:rep text:"George W. Bush"
 from:2009.05 till:2017.05 color:dem text:"Barack Obama"
 from:2017.05 till:2021.05 color:rep text:"Donald Trump"
 from:2021.05 till:$now color:dem text:"Joe Biden"

LineData=
<!--Increase the "atpos" values in order to maintain the bars. The length of future terms will affect values. -->
 from:1842.00 till:1845.17 atpos:650 color:noparty width:6 # JT noparty
 from:1885.17 till:1889.17 atpos:440 color:dem width:6 # GC 1st term

 layer:back
 # This section creates the vertical lines.
 at:1790.00 width:0.1 color:0year
 at:1795.00 width:0.1 color:5year
 at:1800.00 width:0.1 color:0year
 at:1805.00 width:0.1 color:5year
 at:1810.00 width:0.1 color:0year
 at:1815.00 width:0.1 color:5year
 at:1820.00 width:0.1 color:0year
 at:1825.00 width:0.1 color:5year
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 at:1865.00 width:0.1 color:5year
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 at:1875.00 width:0.1 color:5year
 at:1880.00 width:0.1 color:0year
 at:1885.00 width:0.1 color:5year
 at:1890.00 width:0.1 color:0year
 at:1895.00 width:0.1 color:5year
 at:1900.00 width:0.1 color:0year
 at:1905.00 width:0.1 color:5year
 at:1910.00 width:0.1 color:0year
 at:1915.00 width:0.1 color:5year
 at:1920.00 width:0.1 color:0year
 at:1925.00 width:0.1 color:5year
 at:1930.00 width:0.1 color:0year
 at:1935.00 width:0.1 color:5year
 at:1940.00 width:0.1 color:0year
 at:1945.00 width:0.1 color:5year
 at:1950.00 width:0.1 color:0year
 at:1955.00 width:0.1 color:5year
 at:1960.00 width:0.1 color:0year
 at:1965.00 width:0.1 color:5year
 at:1970.00 width:0.1 color:0year
 at:1975.00 width:0.1 color:5year
 at:1980.00 width:0.1 color:0year
 at:1985.00 width:0.1 color:5year
 at:1990.00 width:0.1 color:0year
 at:1995.00 width:0.1 color:5year
 at:2000.00 width:0.1 color:0year
 at:2005.00 width:0.1 color:5year
 at:2010.00 width:0.1 color:0year
 at:2015.00 width:0.1 color:5year
 at:2020.00 width:0.1 color:0year
 }}</div>