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

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

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

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