Index Archive

Factor by which bestsellers about Donald Trump outsold those about Joe Biden in the first two years of their terms

: 10

Number of copies of Jill Biden’s memoir sold in the United States in its first week of publication

: 250

Factor by which Americans are more likely to believe that Republicans are better at controlling inflation than Democrats

: 2

Percentage by which Democrats are more likely than Republicans to carry a lucky charm at all times

: 75

To include political language in their Twitter bios

: 250

Portion of U.S. Twitter users who think no one else has ever seen their tweets

: 1/5

Percentage increase in Google searches for “vasectomy” in the 36 hours after the leaked draft opinion about Roe v. Wade

: 340

Percentage by which women are more likely than men to be interrupted in Senate committee hearings

: 10

By which such interruptions are more likely when they are discussing women’s issues

: 15

Portion of baby boomers who trust the U.S. electoral process

: 1/2

Of millennials who do

: 2/5

Of Gen Z-ers

: 1/4

Percentage by which Democrats are more likely than Republicans to think their lives would make for good reality TV

: 32

Percentage increase last year in U.S. prescriptions for amphetamine-based ADHD medications

: 10

Percentage of the global supply of these drugs that is used in the United States

: 57

Portion of U.S. counties that lack a psychiatrist specializing in children or adolescents

: 3/4

Percentage increase since 2015 in the number of prescriptions for antidepressants given to U.S. teenagers

: 69

Percentage increase in the use of “buy now, pay later” services by Gen Z-ers since January 2020

: 925

Percentage of Gen Z users who have missed at least one payment

: 43

Who have missed at least two payments

: 30

Percentage increase since 2019 in the average price of a U.S. Uber car ride

: 45

Percentage change since 2010 in the average cost of an electric vehicle battery

: –89

In the average price of an electric vehicle

: +80

Percentage by which U.S. flights to the European Union have returned to their 2019 levels

: 73

By which U.S. flights to China have

: 1

Factor by which U.S. men are more likely than U.S. women to claim they have had sex on a plane

: 4

Percentage increase last year in reports of U.S. planes being struck by the beam of a laser pointer

: 41

Cost of a trip to space in a capsule lifted by a helium balloon

: $50,000

Portion of aspiring first-time home buyers who will be unable to purchase one this year

: 1/5

Percentage increase since 2020 in the portion of U.S. home purchases accounted for by real estate investment firms

: 46

Portion of Americans who say they would feel “disgusted” if a homeless person lived in their community

: 1/10

Chance that a Democrat has at some point experienced homelessness

: 1 in 5

That a Republican has

: 1 in 6

Portion of U.S. employers with remote workers that use some form of monitoring software

: 3/5

Percentage of those employers that terminated employees after implementing this software

: 88

Average salary U.S. college students expect to make in their first job after graduation

: $103,880

Average starting salary for a U.S. college graduate

: $55,260

Percentage of U.S. adults aged 18 to 35 who don’t see any point in saving money until the pandemic ends

: 45

Percentage by which people with minor psychopathic tendencies are more likely to want to invest in cryptocurrency

: 12

Cost, per week, to stay at a Swiss center that offers treatment for cryptocurrency addiction

: $98,691

Harper’s Index

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