By 2040, the longest life expectancy will be seen in Spain, while the shortest - in Lesotho. Ukraine is showing a slight growth and is not far from the African kingdom's result, according to a study by The Lancet magazine.

Experts from the University of Washington published their outlook for life expectancy by 2040, Novoye Vremya reports, referring to The Lancet. According to scientists, there is a global tendency toward the increase in life expectancy.

Among the main obstacles to longevity the researchers name obesity, smoking, alcohol consumption, and air pollution.

Researchers also predict an increase in the number of premature deaths from injuries as a result of accidents, including traffic ones. Life-threatening diseases such as diabetes, chronic obstructive pulmonary disease, kidney disease, and lung cancer will also slow down life expectancy.

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By 2040, Spain will come out on top in terms of the number of long-livers. It is expected that the average life expectancy there will be 85.8 years. Japan will step down to the second place with life expectancy of 85.7 years.

The average life expectancy of Ukrainians by 2040 will climb from today's 72.2 to 74.5 years.

Nevertheless, in the global ranking, Ukraine will go down from 109th to 127th place, as other countries will show a faster pace of their average life expectancy growth.