Percentage of the U.S. population that is foreign-born : 13

Percentage that was foreign-born in 1913 : 15

Change in the number of undocumented immigrants living in the United States since 2007 : –900,000

Portion of Republicans who supported a “path to citizenship” in a February Washington Post poll : 3/5

Who supported the same policy when President Obama’s name was included in the question : 2/5

Amount the Obama Administration spent on immigration enforcement last year : $18,000,000,000

Amount the Justice Department spent on all law enforcement : $12,400,000,000

Percentage of U.S. Hispanics who “strongly disagree” with the statement that racism is “by and large a thing of the past” : 32

Of U.S. whites who do : 34

Of U.S. blacks : 58

Number of Alabama jury-sentencing recommendations in capital cases that have been overturned by judges since 1976 : 110

Number of those cases in which judges imposed the death penalty after juries recommended life in prison : 100

Number of Egyptian police officers charged for attacks against civilians during the country’s revolution : 172

Number convicted : 2

Portion of American gun deaths in 2011 that were suicides : 2/3

Factor by which the NRA outspent all gun-control activist groups combined on lobbying in 2012 : 10

Minimum number of people accidentally shot at gun shows on “Gun Appreciation Day” in January : 5

Factor by which energy drink–related emergency-room visits have increased in the past eight years : 14

Number of reports of record-high temperatures by U.S. cities in 2012 : 362

Number of reports of record lows : 0

Estimated weight in pounds of debris left on the moon by NASA : 36,600

Rank of Canada among the largest producers of garbage per capita in the industrialized world : 1

Date on which Canada began withdrawing its penny from circulation : 2/4/2013

Estimated amount the withdrawal will save the government annually : $11,000,000

Estimated amount Sarah Palin was paid per word she spoke on air during her two-year Fox News contract : $15.85

Chances that a U.S. worker doesn’t get paid sick leave : 2 in 5

Percentage change since 1969 in the portion of U.S. schoolchildren who walk or bike to school : –76

Pounds of candy given to each North Korean child in honor of Kim Jong Un’s birthday, according to state media : 2

Chance a North Korean child suffers from stunting due to chronic malnutrition : 1 in 3

Percentage increase in the number of college students in China since 1989 : 700

Factor by which a recent college graduate in China is likelier than a peer with only elementary education to be unemployed : 4

Pollution level recorded on January 12 in Beijing on the Air Quality Index, a scale of zero to 500 : 755

Projected sales of “e-cigarettes” in the U.S. in 2013 : $1,000,000,000

Percentage change since 1992 in the portion of U.S. women who diet : –32

Percentage change since 2007 in the number of parenting books published annually in the United States : +27

Percentage of U.S. women who believe they have a personal responsibility to help the worse off : 42

Of U.S. men : 27

Amount of pay increases the U.S. Treasury approved last year for executives at firms that received federal bailouts : $6,162,208

Rank of chief executive officer among occupations most likely to attract psychopaths : 1

April Index Sources

1–3 Pew Hispanic Center (Washington)
4,5 Princeton Survey Research Associates International (Princeton, N.J.)
6 Migration Policy Institute (Washington)
7 U.S. Department of Justice
8–10 Environics Research (Toronto)
11,12 Equal Justice Initiative (Montgomery, Ala.)
13,14 Human Rights Watch (Cairo)
15 National Center for Health Statistics (Hyattsville, Md.)
16 Center for Responsive Politics (Washington)
17 Harper’s research
18 Substance Abuse and Mental Health Services Administration (Rockville, Md.)
19,20 Weather Underground (Oakland)
21 Johnson Space Center (Houston)
22 Conference Board of Canada (Calgary)
23,24 Department of Finance Canada (Ottawa)
25 Eric J. Ostermeier, University of Minnesota (Minneapolis)
26 U.S. Bureau of Labor Statistics
27 U.S. Federal Highway Administration
28 Yonhap News Agency (Seoul)
29 World Food Programme (Kabul)
30 UNESCO (Montreal)
31 Chinese Household Finance Survey Center (College Station, Tex.)
32 U.S. Department of State
33 Wells Fargo (N.Y.C.)
34 NPD Group (Chicago)
35 Bowker Books in Print (Novi, Mich.)
36,37 Environics Research (Toronto)
38 Office of the Special Inspector General for the Troubled Asset Relief Program (Washington)
39 Kevin Dutton, University of Oxford (Oxford, England).