Malta is one of the countries least vulnerable to natural disasters, according to the World Risk Index 2015, issued today.

Qatar tops the list, followed by Malta, Saudi Arabia, Barbados, Grenada and Iceland.

A section of the global list.A section of the global list.

According to the survey, hungry people are at greater risk of suffering badly from disasters, as a crisis can leave them with even less food, forcing them into a downward spiral, risk experts said.

Governments in the 10 countries ranked most vulnerable to disasters in the WorldRiskIndex 2015 - including Guatemala, Bangladesh, Cambodia, Papua New Guinea and El Salvador - need to improve infrastructure and food production to boost their chances of withstanding calamities, according to a new report.

"Hunger and malnutrition drive up disaster risk," Matthias Garschagen of the U.N. University Institute for Environment and Human Security (UNU-EHS) told the Thomson Reuters Foundation.

"Risk (in some regions) is increasing with climate change," Garschagen, the report's scientific director, added.

People suffering from hunger - including some of the 2.5 billion worldwide who depend on farming to support themselves - cannot take long-term measures to head off disaster risks, said the WorldRiskReport 2015 by UNU-EHS and Alliance Development Works, a coalition of German aid agencies.

To better avert and manage disasters, governments should improve rural infrastructure, including transport, and secure land rights for farmers, the report said.

"The catastrophic effects of natural hazards can be decreased by ensuring people are fed," Peter Mucke, managing director of the WorldRiskReport, said in a statement.

"The hungry are most vulnerable."

Places that are severely threatened by extreme natural events and have a "very urgent need" for action to improve food security are Bangladesh, Burundi, Guinea-Bissau, Haiti, Cambodia, Cameroon, Madagascar, Niger, Senegal, Sierra Leone, Zimbabwe, East Timor and Chad, the report said.

States with low levels of hunger, effective governance and good infrastructure can withstand earthquakes, floods and other disasters far better than fragile states, Garschagen said.

Haiti and New Zealand, for example, have both been hit by powerful earthquakes in recent years. Fewer than 200 people died in New Zealand's 2011 quake, while Haiti lost more than 310,000 in its 2010 disaster, he noted.

The annual index of 171 states showed the island nations of Vanuatu, Tonga and the Philippines were most at risk of disasters, followed by countries with poor governance and hunger problems in Central America, Africa's Sahel and Southeast Asia.

Island states made up six of the 15 countries with the highest disaster risk as they are particularly exposed to hazards like floods, cyclones and rising sea levels, the report said.

Vanuatu, in the south Pacific, was battered by an unusually powerful cyclone in March, which destroyed many buildings and badly damaged agriculture.

Countries with the lowest risk of disasters included Qatar, which had the best score, followed by Malta, Saudi Arabia, Barbados, Grenada and Iceland.

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