Global press freedom declined in 2007 for the sixth year running, with worrisome restrictions imposed in Pakistan, Bangladesh, Sri Lanka and Vietnam, the rights group Freedom House has stated in a report.

The Washington-based organization expressed concern about violence against journalists in a number of countries, including Russia, Mexico and the Philippines on Tuesday.

Iraq and Somalia remained the most dangerous countries for reporters, the annual survey said.

The report said there was some improvement in the Middle East and North Africa due to greater access to satellite television and the Internet as well as a growing number of journalists willing to challenge government limits.

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But the survey struck a pessimistic tone given global trends.

"For every step forward in press freedom last year, there were two steps back," said Jennifer Windsor, executive director of Freedom House.

The survey, which examines print, broadcast and Internet freedom in 195 countries, said only 18 percent of the world's population live in countries with free media.

In Mexico, the report found an "extremely high level of drug-related violence against journalists as well as the continued atmosphere of impunity surrounding attacks on the media."

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