In its annual survey of disaster damage, Swiss Re noted that the loss total was down from the USD 196 billion recorded in 2012, the year that Hurricane Sandy battered the United States.
Of the USD 140 billion recorded in 2013, insured losses accounted for USD 45 billion.
The most expensive disaster for insurers was the massive flooding in central and eastern Europe in May and June last year, with Germany, the Czech Republic, Hungary and Poland hardest hit.
In July, parts of France and Germany were struck by severe hailstorms, causing economic losses of USD 4.8 billion.
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Floods in Canada in June caused losses of USD 4.7 billion, of which USD 1.9 billion was insured.
The next costliest disaster for the insurance sector was the wave of thunderstorms and tornadoes in the United States -- including a freak twister in Oklahoma -- which left insured losses of USD 1.8 billion and inflicted USD 3.0 billion in overall economic damage.
The vast majority of the 26,000 disaster deaths last year -- up from 14,000 in 2012 -- were in developing nations.
Asia, where like other poor regions only a small percentage of the population has insurance, was hardest hit.
Typhoon Haiyan in the Philippines in November brought some of the strongest winds ever recorded, coupled with heavy rains and strom surges. Some 7,500 died or went missing, and over four million were left homeless.
Thousands of lives were saved when Cyclone Phailin made landfall in India in October, Swiss Re underlined, hailing the country's effective risk reduction programme which included a pre-planned evacuation drive.
But with Phailin destroying some 100,000 homes and more than 1.3 million hectares of farmland, total economic losses were USD 4.5 billion, of which just a tiny proportion was insured.