Percentage of two-parent households in which both parents work full time, up from 31 percent in 1970, according to the Pew Research Center: 46
Percentage of households where a father works full time and a mother doesn't work outside the home, down from 46 percent in 1970: 26
Source: Pew Research Center for the People and the Press.
Date of Earth Overshoot Day this year, the date when humanity's annual demand on nature exceeds what Earth can regenerate in that year, according to data from Global Footprint Network: Aug. 8
Rank of carbon emissions on the list of the fastest-growing contributors to ecological overshoot, now making up 60 percent of humanity's demand on nature, which is also termed an "ecological footprint": 1
During the first three months of 2016, percentage of the energy consumption of Costa Rica that was generated from renewable sources: 97
In Germany and Britain, percentage of domestic energy demand that was met solely by renewables for several minutes in May 2016 -- the first time such events had occurred: 100
Source: Global Footprint Network.
Rank of credit card payments on the list of the top identified debt across all age groups, according to a survey conducted by Fifth Third Bank: 1
Percentage of millennials who have student loan debt, their second-highest debt priority: 39
Percentage of Generation X respondents who are paying off car loans: 37
Percentage of baby boomers who are still in debt for their mortgage: 34
Source: Fifth Third Bank.
Percentage of Austrians who report having disrobed fully at a public beach, edging out Germans (25 percent) and Americans (18 percent), according to the 2016 Flip Flop Report by Expedia: 28
Worldwide, percentage of beachgoers who claim to have gone nude: 10
Ranks of Malaysians and South Koreans (2 percent), and Thai and Japanese (3 percent) on the list of the world's most modest beachgoing respondents who have sunbathed in the nude: 1, 2
Number of states that the average American has visited, according to a study Ipsos Public Affairs conducted for Livability.com: 12.5
Ranks of Florida, California, Georgia, New York and Nevada on the list of the most-visited states: 1, 2, 3, 4, 5
Percentage of Americans who say they have never been to a state other than the one they currently live in: 10
Ranks of Hawaii, Alaska, California, Colorado and New York on the list of the top five states Americans most want to visit: 1, 2, 3, 4, 5
Percentage prevalence of adolescent obesity in the one-quarter of preschool-aged children tested who had early bedtimes (8 p.m. or earlier), according to a study of early child care and youth development to determine whether preschool-aged children with earlier bedtimes have a lower risk for adolescent obesity: 10
Percentage prevalence in the one-half who had bedtimes after 8 p.m. but by 9 p.m.: 16
Percentage prevalence in the one-quarter who had late bedtimes (after 9 p.m.): 23
Source: Global Wellness Institute.
Percentage of college graduates who say their college tuition was a good investment, according to a study by Bankrate.com: 89
Percentage of all Americans who echo that response: 73
When asked whether alcohol or marijuana impairs one's ability to drive a vehicle, percentage who said both equally, according to a Harris poll: 68
Percentage who said alcohol: 22
Percentage who cited marijuana: 3
Source: The Harris Poll.
Percentage of women who are calling for the media to do a better job portraying women of diverse physical appearance, age, race, shape and size, according to survey by Dove: 71
Percentage of girls who are doing the same: 67
Percentage of women who say they opt out of important life activities -- such as trying out for a team or club, and engaging with family or loved ones -- when they don't feel good about the way they look: 85
Percentage of girls who say the same: 79
Percentage of girls with low body-esteem who say they won't be assertive in their opinion or stick to their decision if they aren't happy with the way they look: 70
Percentage of Americans who say that if they could look forward to a tax-free future, they would get an "IRS" tattoo, according to WalletHub results of its 2016 Taxpayer Survey: 27
Percentage who would clean Chipotle bathrooms: 11
"The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money." -- Alexis de Tocqueville
(Readers can contact John MacIntyre at firstname.lastname@example.org.)