Index Archive

Factor by which Americans are more likely to disapprove of a woman’s election to the presidency than a person of color’s

: 3

Portion of U.S. partisan races in 2022 that were uncontested

: 1/2

Estimated percentage of these in which the sole candidate was a Democrat

: 22

In which the sole candidate was a Republican

: 74

Average number of minutes of daily housework done by married American men who identify as liberal

: 99

By married American men who identify as conservative

: 88

As moderate

: 70

Percentage of Americans who say they try to be polite when interacting with AI chatbots

: 44

Who believe their treatment of AI chatbots “will one day be taken into account somehow”

: 39

Estimated percentage increase since 1980 in the portion of homicides in the United States that go unsolved

: 64

Estimated ratio of pets to children under the age of 4 in China

: 1:1

Year in which this ratio is projected to reach 2:1

: 2030

Percentage of global net growth in renewable-energy capacity last year attributable to China

: 63

Amount that the average American believed they would need to save for a comfortable retirement in 2020

: $951,000

In 2024

: $1,460,000

Percentage increase this year in the number of Fidelity 401(k) accounts worth more than $1,000,000

: 39

Number of points by which the average credit score drops in a U.S. state after three years of legalized online sports betting

: 7

Average percentage by which the rate of personal bankruptcy increases in such states

: 28

Percentage of American families traveling to a Disney theme park in 2022 that took on debt to do so

: 30

In 2024

: 45

Average debt taken on by such a family for their trip

: $1,983

Percentage of Americans who view fast food as a “luxury”

: 78

Portion of Americans who have worked at McDonald’s

: 1/8

Who have worked at any fast-food restaurant

: 1/3

Portion of U.S. college seniors who are interested in becoming a corporate executive

: 1/2

Percentage decrease since 2022 in mentions of diversity on S&P 500 earnings calls

: 52

In mentions of climate change

: 74

Percentage change this year in the portion of Democrats who say that businesses should take public political stances

: −14

In the portion of Republicans who say so

: +29

Factor by which the number of sanctions imposed by the United States exceeds that of any other country

: 3

Estimated percentage of the population of Cuba that has emigrated since 2022

: 18

That emigrated in the four years following the 1959 revolution

: 5

Percentage decrease since 1983 in the portion of American 19-year-olds with driver’s licenses

: 21

Percentage of Americans who in 2019 preferred to watch movies in theaters

: 58

In 2024

: 35

Rank of cleanliness among Americans’ grievances with movie theaters

: 1

Portion of single American adults who have sent a nude photo of themselves to someone in the past year

: 1/4

Average number of photos stored in an American smartphone user’s camera roll

: 2,795

Estimated percentage of these that are selfies

: 58

Harper’s Index

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