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Presidents - United States Of America
Anglo - George I (1714-1727) & George II (1727-1760) Perceived IQ
No. Year
b.     d.		 Year of Office Party President
1 1694-1743 1775-1799 None     George Washington 132.5
2 1735-1826 1797-1801 Federal     John Adams 142.5
3 1743-1826 1801-1809 RemRep     Thomas Jefferson 153.75
4 1751-1836 1809-1817 DemRep     James Madison 141.25
5 1758-1831 1817-1825 DemRep     James Monroe    -
ANGLO - George IV (1820)-1830)
6 1767-1848 1825-1829 DemRep     John Quincy Adams 168.75
ANGLO - William IV (1630-1837)
7 1767-1845 1829-1837 Demo     Andrew Jackson    -
8 1782-1862 1833-1837 Demo     Martin Van Buren 133.35
ANGLO - Victoria (1837-1901)
9 1773-1841 1841* Repub     William Henry Harrison 133.93
10 1790-1862 1841-1845 Repub     John Tyler 136.2
11 1795-1849 1845-1849 Demo     James Knock Polk 130.2
12 1784-1850 1849-1850 Whig     Zachary Taylor    -
13 1800-1874 1850-1853 Whig     Millard Fillmore 135.98
14 1804-1869 1853-1857 Demo     Franklin Pierce 134.78
15 1791-1868 1857-1861 Demo     James Buchanan    -
16 1809-1865 1861-1865 NatUni     Abraham Lincoln 140
17 1808-1875 1865-1869 Demo     Andrew Johnson    -
18 1822-1835 1869-1877 Repub     Ulysses S. Grant    -
19 1822-1893 1877-1881 Repub     Rutherford B. Hayes 133.93
20 1831-1881 1881* Repub     James Garfield 141.5
21 1829-1886 1881-1885 Repub     Chester A. Arthur 141.5
22 1837-1908 1885-89 93 97 Demo    Grover Cleveland 130.95
23 1833-1901 1889-1893 Repub     Benjamin Harrison 132.15
24 1837-1908 1889-1893 Demo     Grover Cleveland    -
    ANGLO- Edward VII (1901-1910)
25 1843-1944 1913-1921 Repub     William McKinley 130.13
26 1865-1923 1901-1909 Repub     Theodore Roosevelt 142.28
27 1857-1930 1909-1930 Repub    William Howard Taft    -
  ANGLO - George V (1910-1936) & Edward VIII (1936)
28 1856-1944 1913-1921 Demo     Woodrow Wilson 145.1
29 1865-1923 1921-1923 Repub     Warren Harding 124.3
30 1872-1933 1923-1929 Repub     John Calvin Coolidge 127.1
31 1874-1964 1929-1933 Repub    Herbert Hoover 129.78
32 1882-1945 1933-1945 Demo     Franklin D. Roosevelt 139.6
33 1884-1972 1945-1953 Demo    Harry S. Truman 127.55
ANGLO - Elizabeth II (1952 - Present)
34 1890-1969 1953-1961 Repub     Dwight D. Eisenhower 131.9
35 1917-1963 1961-1963* Demo     John F. Kennedy 150.65
36 1908-1973 1963-1969 Demo     Lyndon B. Johnson 127.83
37 1913-1994 1969-1974 Repub     Richard M. Nixon 131
38 1913-2006 1974-1977 Repub     Gerald R. Ford 127.08
39 1924- 1977-1981 Demo     Jimmy Carter 145.1
40 1911-2004 1981-1989 Repub     Ronald Reagan 130
41 1924- 1989-1993 Repub     George H. Bush 130.13
42 1946- 1993-2001 Demo     William J. Clinton 148.8
43 1946- 2001-1009 Repub     George W. Bush 139
44 1961 2009-2016 Demo     Barack H. Obama 155
45 1946 2016 -2021 Repub     Donald Trump 145
46 1942 2021-2025 Demo     Joseph Biden 115
47 1946 2025- Repub     Donald Trump 145
HISTORICAL TIME CHART (American Presidents)
             1775-2011
Designed by Nigel G Wilcox
For Portraits and current data - click on page two at bottom of page
For Portraits and current data - click on page two at bottom of page
How did the English American language change, what inflences?
Copyright All Rights Reserved  by Nigel G Wilcox       E-Mail: ngwilcox100@gmail.com
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he smartest US presidents based on their IQ scores
©Getty Images
While it's generally understood now that someone's intelligence can't be reduced to a number, IQ tests can still shine a light on the inner workings of someone's mind, especially if it's impossible to talk to them personally. It's only natural to wonder how figures from history would have scored, and considering the IQ test was only invented in 1905, that leaves quite a few historical figures to speculate on. In 2006, Dean Simonton, a professor of psychology at the University of California, Davis, let his curiosity get the best of him and conducted a study to assign IQ scores to all the US presidents from George Washington all the way up to George W. Bush.
The smartest US presidents based on their IQ scores

While it's generally understood now that someone's intelligence can't be reduced to a number, IQ tests can still shine a light on the inner workings of someone's mind, especially if it's impossible to talk to them personally. It's only natural to wonder how figures from history would have scored, and considering the IQ test was only invented in 1905, that leaves quite a few historical figures to speculate on. In 2006, Dean Simonton, a professor of psychology at the University of California, Davis, let his curiosity get the best of him and conducted a study to assign IQ scores to all the US presidents from George Washington all the way up to George W. Bush. Average scores being 100, above 130 is considered gifted and at the top 2%, below 70 can be considered an intellectual disability. (this; does not consider aspects of medical deterioration such as dementia during office).
Breakdown of Scores on an IQ Scale
The average score on an IQ test is 100. These labels are often given for IQ scores:

1 to 24: Profound mental disability
25 to 39: Severe mental disability
40 to 54: Moderate mental disability
55 to 69: Mild mental disability
70 to 84: Borderline mental disability
85 to 114: Average intelligence
115 to 129: Above average or bright
130 to 144: Moderately gifted
145 to 159: Highly gifted
160 to 179: Exceptionally gifted
180 and up: Profoundly gifted
An average IQ score is between 85 and 115. 68% of IQ scores fall within one standard deviation of the mean. That means that the majority of people have an IQ score between 85 and 115.
Who has the highest IQ ever?
According to the Guinness Book of World Records, Marilyn vos Savant, a magazine columnist, has the highest ever recorded IQ, with a score of 228.