Turkey lags in equality, ranking 126 among 134 countries in the 2010 Global Gender Gap Index.

ECONOMIST: Women in Turkey

In the 2011 Global Gender Gap Index Report compiled by the World Economic Forum, the Philippines ranked 8 out of nearly 180 countries indexed.

FORBES: On Being A Filipina Business Woman And Having It All

The gap between the MSCI Frontier Markets index and the MSCI Emerging Markets index remains near historic lows.

WSJ: Upside: How to Play Investing's Wild Frontier

The gap would be even wider if the index took Hawaii's shipping costs into account.

ECONOMIST: Planning for change in America's most expensive state

National Statistician Jil Matheson said that the absence of a UK-wide official private rental index was a "key gap" in data on the housing market.

BBC: Lettings boards

EU-wide harmonised index of consumer prices, the gap between British inflation and those of France and Germany is smaller than on national measures.

ECONOMIST: The economy

What's more, the body mass index (BMI) of overweight people tended to rise as the gap between their weekday and weekend "time zones" widened.

CNN: Is 'social jet lag' harming your health?

Chart Analysis : The iShares MSCI Japan Index ( EWJ) gapped lower on Thursday and is likely to show another down gap Friday and break the daily uptrend, line a.

FORBES: Tsunami Impacts Weaker Markets

The Nasdaq Biotechnology Index is up 14% for the year and still outperforming the broader indices, but the gap is narrowing.

FORBES: For Biotech, 'Fail' is Making a Big Comeback