Author Archive

Private School Enrollment Rates High for America’s Wealthy Families

August 15, 2014

 

Approximately 26% of children in households making more than $200,000 attend private schools. New Orleans has the highest percentage of children in high schools, at 25%. Click through to read the excellent, broad study of America’s private school market. The linked study does not cover charter schools, which are an important, free alternative to poor traditional public schools.

–from The Atlantic

Gentrification Highly Correlated to Neighborhood Racial Composition

August 7, 2014

The likelihood of gentrification is dependent on many variables, but one major indicator is racial composition. The likelihood of a neighborhood drops dramatically if more then 40% of the neighborhood is black. Likewise, neighborhoods with fewer than 35% white residents were significantly less likely to have gentrified between 1996 and 2009. Gentrification, it seems, can reinforce old borders of inequality.

–from The Atlantic’s CityLab

De Beers Share of Diamond Market Less than Half of Its 1989 High

August 4, 2014

Since 1989, De Beers has lost much of its diamond market share, falling from a high of 81% in 1989 to 36% today. When their new Canadian mine opens, they are expected to increase to 40%.

–from Paul Zimnisky

Current Ebola Outbreak Worst Recorded

August 2, 2014

The current ebola outbreak in Western Africa and Nigeria is the worst to day by a very large margin. More then 1,200 have been infected so far. More than twice the previous high infection count are already affected and it shows no signs of stopping.

–from the WHO

Majority of Americans Lost Wealth in the Past Thirty Years

July 28, 2014

changeinwealth

American median household wealth has declined 20% since 1984, in 2013 dollars. While the 75 percentile and higher gained wealth since then, the majority of Americans lost money over those thirty years. As a striking example, the median wealth fell from $87,992 in 2003 to $56,335 today.

–from Stanford

American Vehicle Fuel Efficiency Climbing after Two Decades of Stagnation

July 17, 2014

Fuel efficiency in American automobiles has been rapidly increasing since 2007, when the US passed a law requiring a MPG of 35 by 2020. It had previously spiked in the 1970’s from similar legislation, but stagnated for decades before the recent run-up.

–from Citylab.com 

Commercial Weather Forecasts Most Accurate Within One Week’s Time

July 4, 2014

Commercial weather forecasts are most accurate within one week’s time. After nine days, climatology models, or predicting the temperature based on previous year’s temperatures, is the most accurate. Within three days, predictions are accurate to within four degrees Fahrenheit.

–from randalolson.com

World Incarceration Rates if Every State was a Country

June 26, 2014

University-Educated Americans Moving to Different Cities than High-School Dropouts

June 17, 2014

This chart shows the net domestic migration between US cities from 2011 to 2012 by educational attainment. Cities like San Francisco and Seattle gained highly educated workers while losing those with high school diplomas or less, while cities like Tampa and Atlanta gained less-educated new arrivals. Large cities like New York still gained population overall via immigration, but lost domestic population.

–from The Atlantic’s CityLab 

The World Cup of Everything (Except Soccer)

June 12, 2014

WorldCups

This interactive visualization at the Wall Street Journal shows who “wins” in a variety of variable match-ups from having the highest murder rate to eating the most beans. Population is shown above.

–From The Wall Street Journal


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