Index Archive

Percentage of Americans who consider Canada a U.S. ally

: 82

Percentage of Canadians who consider the United States a Canadian ally

: 33

Portion of Americans who say that the United States should “take control of” Canada

: 1/4

Portion of Canadians who say that California, Oregon, and Washington should “become part of” Canada

: 1/3

Percentage increase this year in sales of the Canadian flag by Flags Unlimited, one of Canada’s largest flag manufacturers

: 100

Average salary cut that a Democrat would take in order to have an employer with liberal views

: $1,700

That a Republican would take in order not to have a liberal employer

: $1,600

Percentage of Americans who said their sympathies lay more with Palestinians than with Israelis in 2013

: 12

Now

: 33

Estimated percentage of U.N. press releases that were generated by AI last year

: 14

Of corporate press releases

: 24

Average percentage by which customers rate more highly customer-service calls that use AI to “standardize” accents

: 22

Estimated minimum amount generated by Cambodia’s scam industry last year

: $12,500,000,000

Ratio of this amount to the country’s official GDP

: 1:2

Minimum number of Fortune 100 CEOs who have frozen their sperm

: 33

Estimated average cost, per milliliter, of commercially donated sperm

: $6,000

Portion of men who report having at least seven orgasms per week

: 1/4

Of women

: 1/50

Percentage change in the portion of Americans who identified as Christian from 2007 to 2022

: –23

From 2022 to today

: +5

Percentage of Americans who pray who do so in a place of worship

: 46

Who do so in their car

: 61

Ratio of parking spots to cars in New York City

: 3:2

Of bicycle parking spots to bicycles

: 1:46

Percentage of apartment rentals in Brooklyn last year for which there was a bidding war

: 27

Chance that an American changed addresses in any given year in the 1960s

: 1 in 5

In 2023

: 1 in 8

Rank of Florida among the states that Americans say they would most like to move to

: 1

Rank of California

: 2

Percentage of buildings in California constructed in the 1920s that are in high-risk fire areas today

: 28

Of those constructed since 2020

: 80

Portion of the contiguous United States in which mosquito season is longer now than it was in 1979

: 3/4

Average number of days by which mosquito season is now longer in these areas

: 17

Factor by which the number of days that American schools are closed because of extreme heat has increased since 2019

: 2

Percentage change since 2000 in the portion of U.S. kindergarten and preschool teachers who are men

: +129

In the portion of U.S. registered nurses who are men

: +83

Chance that an American believes they have a penicillin allergy

: 1 in 10

Maximum chance that an American does have a penicillin allergy

: 1 in 100

Portion of Americans with chronic kidney disease who are unaware of it

: 9/10

Percentage of Americans aged 25 to 34 who consider themselves middle-aged

: 21

Harper’s Index

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