HARPER’S INDEX
HARPER’S INDEX
Figures cited are the latest available as of January 2020. Sources are listed on page 51.
- HARPER’S INDEX
- Percentage of sexually active Americans who say that their “skills in the bedroom” have improved over the past year :
- Who say that 2019 was their “best year of sex” :
- Number of years by which the average age of a North or South American nation’s leader has increased since 1950 : 10.
- By which the average age of a European nation’s leader has decreased since then : 2.
- Number of European nations whose leader is 45 years old or younger :
- Percentage of U.S. Protestants who have “a lot” of confidence in their clergy’s ability to provide useful parenting advice :
- Of U.S. Catholics who do :
- Percentage by which the median length of U.S. black Protestant sermons exceeds that of U.S. Catholic homilies :- Factor by which evangelical Christian sermons are likelier than those of other Christian traditions to include the phrase “eternal hell” :
- Average percentage of their fortunes that the twenty richest Americans gave to charity in 2018 : 0.
- Median amount owed by U.S. renters evicted between 2014 and 2016 for failing to pay rent : $1,
- Percentage of those evicted who owed less than $500 :
- Percentage of U.S. manufacturing jobs that required a bachelor’s degree in 1983 :
- That required one in 2018 :
- Projected percentage growth over the next year in the office-chair market :
- In the gaming-chair market :
- Chance that an American aged 19 to 34 is prediabetic : 1 in
- Median amount owed by U.S. renters evicted between 2014 and 2016 for failing to pay rent : $1,
- Average percentage by which an obese person contributes more carbon emissions than someone in the “normal-weight” range :
- Rank of SUVs among contributors to the increase in carbon emissions over the past decade :
- Rank of the power industry :
- Percentage of total retail sales made in 2018 that were returned : 10.
- Amount, in tons, of annual carbon emissions that can be attributed to retail returns : 16,500,
- Percentage of American travelers who say they cut back on flying in 2019 for environmental reasons :
- Percentage of the world’s cities with populations over 500,000 that experience periodic water shortages :
- Number of people injured in a volcanic eruption in New Zealand in December :
- Amount of human skin, in square footage, subsequently ordered by New Zealand from the United States :
- Factor by which the portion of Americans dying at home has increased since 1972 :
- Percentage of U.S. school districts in which the portion of Latino teachers equals or exceeds that of Latino students : 0.
- Year in which the NFL first required teams to interview candidates of color for every available head coaching job :
- Number of head coaches of color employed by the NFL at the time :
- Number who are today :
- Number of head coaches of color employed by the NFL at the time :
- Year in which the NFL first required teams to interview candidates of color for every available head coaching job :
- Rank of SUVs among contributors to the increase in carbon emissions over the past decade :
- Average percentage of their fortunes that the twenty richest Americans gave to charity in 2018 : 0.
- Percentage by which men are more likely than women to frame research findings in top scientific journals with positive adjectives :
- By which the use of a positive adjective in a paper title or abstract increases subsequent citations in those journals :
- Percentage of Americans who think that the Chinese government is sometimes or very often a source of disinformation :
- Who think that CNN is :
- Number of fact-checking organizations that were active in 2014 :
- That are active today :
- Rank of Donald Trump among the most admired men in America :
- Of Barack Obama :