The index defines terrorism as "the threatened or actual use of illegal force and violence by a non-state actor to attain a political, economic, religious or social goal through fear, coercion or intimidation".
Among its key findings, the study argues that low income countries are less likely to suffer from terrorism than lower middle-income countries, suggesting that poverty is not a prime motive for attacks.
Among its key findings, the study argues that low income countries are less likely to suffer from terrorism than lower middle-income countries, suggesting that poverty is not a prime motive for attacks.
An inquiry is under way after nine people died following the collapse of concrete panels that started a fire in the tunnel, 80km (50 miles) from Tokyo.
We still do not know which are the most important factors, but perhaps the most likely is a combination, a double whammy of changes, such as a high-fat diet combined with increased environmental chemical exposures.
Tonight there will be a widespread hard frost with ice a hazard. Snow is expected for Scotland and northern England tomorrow morning with potential for disruption."
The president said he did not wish to see a replay of his 2011 standoff with Republicans that brought the US close to defaulting on its debt and resulted in an embarrassing credit-rating downgrade.
