Mumbai (India): For the second year straight, Mumbai was ranked as the most traffic-congested city in the world. Its congestion level is as high as 65 per cent. Lack of road space, improper infrastructure and high population are some of the major factors behind high traffic. As per 2011 census, Mumbai has a population of 1.84 crores. (Image: Reuters), Bogota (Colombia): This Colombian city has a congestion level of 63 per cent. A study shows that, Bogotanos lose almost two working weeks a year trying to get home from their workplace and vice versa. (Image: Reuters), Lima (Peru): It has a congestion level of 58 per cent. However, on its busiest days, it can get as high as 83 per cent. The reasons behind high traffic are high rates of fatalities along with unregulated and confusing transportation network. (Image: Reuters), Delhi (India): India's national capital has a congestion level of 58 per cent. However, during peak hours, congestion is much more. During morning office hours, congestion is as high as 73 per cent while the traffic levels shoot up to 93 per cent during the evenings. (Image: Reuters), Moscow (Russia): If one resides in this Russian capital, then the chances are that they will witness around 56 per cent congestion level. However, on worst days the congestion can get up to 125 per cent. (Image: Reuters), Istanbul (Turkey): It is Europe's second most congested city. Having a congestion level of 53 per cent, drivers here spend an average of 53 per cent extra travel time stuck in traffic. (Image: Reuters), Jakarta (Indonesia): Having traffic congestion of 53 per cent, this capital city of the Republic of Indonesia holds the title of 7th traffic congested city. They witness the maximum traffic between 5 pm to 7 pm. (Image: Reuters), Bangkok (Thailand): With a congestion level of 53 per cent, the capital of Thailand has the worst road congestion. However, the city is known for its vibrant street life. (Image: Reuters), Mexico City: Having a congestion level of 52 per cent, travel time gets increased by more than half in Mexico City. This congestion level has also impacted Mexico's Economic growth. (Image: Reuters), Recife: With a congestion level of 49 per cent, Recife experiences the heaviest traffic between 7 am to 8 am and between 05:00 pm to 08:00 pm. (Image: Reuters)