A daily roundup of fresh data from scholars, governments, think tanks, pollsters and other social science researchers.

As GOP chances decline, Senate control now a tossupmethodology, The Upshot/NYT
Not many swing voters in midterm elections, The Upshot/NYT
Independents more likely to back anti-Obamacare candidates, Fox News
History shows first-term senators likely most at risk for reelection, U. of Minnesota
In NY, wide Cuomo lead over Astorino would be cut by liberal 3rd party, topline, Siena

Social Security data analysis shows lifetime earnings growth skewed toward top, UMich
Long- and short-term unemployment both push down inflation, Federal Reserve
Federal plans that forgive student debt skyrocket, The Wall Street Journal
U.S. exports of petroleum products increased 10% in 2013, EIA
Total state tax revenue hits new peak after Great Recession, The Pew Charitable Trusts
Federal funds provide nearly $1 in $3 of state revenue, The Pew Charitable Trusts

Health & Society
Which cities sleep in, and which get to work early, FiveThirtyEight
Young adults cite college costs as their top money problem, Gallup
Report shows largest year-to-year college attainment uptick since ’08, Lumina Foundation
Almost two-thirds of 2013 high-school grads enrolled in college, BLS
In 2012, 47% of American youths were minorities, Carsey Institute/UNH
How do inpatients in rural hospitals differ from those in urban hospitals?, CDC
Is your internet connection slower than advertised? The Wall Street Journal
Census Bureau reviewing ACS questions after public pushback, Fact Tank

Indians see rape as a major national problem, Pew Research Center
The American middle class is no longer the world’s richest, New York Times
Chart: China is becoming wealthy and urban, but with people left behind, The Economist

Random Sample
Chart: How Meb Keflezighi won the Boston Marathon, Washington Post

Got new data to share? Send it to us via email facttank@pewresearch.org or Tweet us @FactTank.

George Gao  is a former associate digital producer at Pew Research Center.