An Australian city has been voted the most chilled out in the world.
The ranking was based on factors including noise and light pollution, the number of walking trails, happiness scores, traffic, population density and parks.
1. Sydney
Sydney has been ranked as the most chilled out city in the world.
It has the lowest population density and one less park than Melbourne with 917 but it has a huge 681 walking trails.
Sydney has the second worst traffic score, only slightly better than Melbourne but it has a slightly higher happiness ranking.
2. Vienna
Vienna has been ranked as the second most chilled out city.
It has a high number of parks (172), a high happiness score and now levels of noise and light pollution.
It also has the lowest level of traffic despite a population of 1670 per square mile.
