Friday Roundup: The Numbers You May Have Missed This Week

While you were celebrating the new year, journalists and researchers were crunching numbers.

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If in your champagne-fueled revelry this week you neglected to keep up on the biggest numbers in the news, no worries. We've compiled some of the most intriguing facts, figures, and charts you may have missed this week.

[READ: In Some Places, a High Minimum Wage Is Actually Pretty Low]

The Best Charts of 2013. Former Obama administration "car czar" Steven Rattner told the story of the 2013 economy in charts for the New York Times. Among his most striking findings is that the fastest-growing jobs in the economy also tend to pay below-average wages.

High Stocks, Low Wages. U.S. News' own Pat Garofalo compiled the numbers on the ongoing shifts in corporations' bottom lines and workers' paychecks. The bottom line: while corporate profits as a share of GDP are going up, wages as a share of GDP are going down.

Businesses Not Investing. Not only are businesses not fattening workers' paychecks; they're just not investing altogether. In Alan Greenspan's chart of the year for 2013, the former Fed Chair shows that businesses are investing remarkably small amounts in fixed investment – things like buildings and equipment – as a result of heightened uncertainty (evidenced by Treasury spreads).

Older Workers Injured Less but Recovering Longer. On its Editor's Desk blog, the Bureau of Labor Statistics made an elegantly simple chart showing workplace injury frequency and days away from work by age group. The outlier is workers 65 and over, who have by far the lowest incidence of nonfatal workplace injuries and sickness but also tend to take the most time away from work.

[ALSO: Puerto Rico's Population Continues Rapid Decline]

How Much Money the World's Billionaires Have (hint: a lot). Using data from Bloomberg's Billionaires list, The Wire found that the list's occupants together have $3.7 trillion. That means the 300 richest people in the world, or 0.00004 percent of the world's population, possess 1.5 percent of the world's wealth.

Youngsters + Phones + Walking = Bad News. Pew does all sorts of thoughtful reports on political attitudes and demographic shifts, so it's delightfully incongruous when they illuminate a comparatively small problem like distracted walking. On its Fact Tank blog this week, Pew highlighted 2012 survey research in which the center found that 23 percent of all cell phone owners have bumped into someone or something while distracted by their phones, though among younger age groups the figures grow progressively larger. More than half of 18- to 24-year-olds have bumped into someone or something while distracted by their phones, and 70 percent say they've been bumped into.

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