The number of presidents who served their full term that did not appoint any Supreme Court justice – Jimmy Carter
1
The number of presidents who served a full eight years who appointed a majority of Supreme Court justices (out of a total 16 presidents who served a full eight years including Franklin Roosevelt who served more than 8 years)
6
The number of presidents who did not appoint any Supreme Court justices
4
The largest number of appointments made by a one-term president – William Howard Taft
6
The number of Supreme Court justices who have served more than 30 years
15
The number of Supreme Court justices who died
in office
50
years
The estimated average tenure for Supreme Court justices over the next 100 years versus an average 17-year tenure for the previous 100 years, beginning with Justice Anthony Kennedy and moving backwards
35
years
The average age of the last 10 Supreme Court justices to voluntarily leave the court
79
years
The average age of the last 25 Supreme Court justices appointed at the time of their oath of office
53.2
The number of presidents who appointed 4 or more Supreme Court justices
13
The most Supreme Court justice appointments made by one president – George Washington
11
The number of Supreme Court justices likely to be appointed over the next 100 years because of longer tenures, starting with the Trump presidency and including Gorsuch and the replacement for Justice Kennedy
25
years
The average age of the first 10 Supreme Court justices who resigned or retired in office
59.1
years
The longest tenure to date for a Supreme Court justice – William O. Douglas, who retired at age 77 under Gerald Ford
36.6
The number of Supreme Court justices appointed in the past 100 years
47
118
Including 5 justices reappointed to Chief Justice
The number of appointments to the Supreme Court since George Washington appointed John Jay through Donald Trump's appointment of Neil Gorsuch
36.6
59.1
79
35
25
4
1
6
6
50
13
11
15
53.2
47
118
Source: Oliver Wyman analysis