World's 10 worst cities to live in!

In a recent survey by Economic Intelligence Unit, Melbourne has been named as the world's most liveable city, while India's business capital Mumbai is placed at 116th position.

The survey assessed living conditions in 140 global cities.

The report stated that the worst cities in the world are scattered around Africa and Asia.

Every city is assigned a rating of relative comfort for over 30 qualitative and quantitative factors across five broad categories: stability; healthcare; culture and environment; education; and infrastructure.

Each factor in a city is rated as acceptable, tolerable, uncomfortable, undesirable or intolerable.

For qualitative indicators, a rating is awarded based on the judgment of in-houseanalysts and in-city contributors.

For quantitative indicators, a rating is calcul ated based on the relative performance of a number of external data points.

The scores are then compiled and weighted to provide a score of 1 to 100, where 1 is considered intolerable and 100 is considered ideal.

Click NEXT to read about world's 10 worst cities. . .

Harare, Zimbabwe: Rank 1

• Overall Rating (100=ideal): 38.2
• Stability 25
• Healthcare: 20.8
• Culture and environment: 55.8
• Education: 66.7
• Infrastructure: 35.7

Harare has been the worst city to live in since 2009. The city ranked low because of extremely high levels of petty crime, civil unrest and poor healthcare and public transport.

The city ranked low because of extremely high levels of petty crime, civil unrest and poor healthcare and public transport.

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Dhaka, Bangladesh: Rank 2

• Overall Rating (100=ideal): 38.7
• Stability: 50
• Healthcare: 29.2
• Culture and environment: 43.3
• Education: 41.7
• Infrastructure: 26.8

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Port Moresby, Papua New Guinea: Rank 3

• Overall Rating (100=ideal): 38.9
• Stability: 30
• Healthcare: 37.5
• Culture and environment: 44.2
• Education: 50
• Infrastructure: 39.3

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Laos, Nigeria: Rank 4

• Overall Rating (100=ideal): 39
• Stability: 25
• Healthcare: 33.3
• Culture and environment: 52.3
• Education: 33.3
• Infrastructure: 48.2

Lagos has also slipped a spot since 2009 and scores low on healthcare and education. The government has begun working on the Lagos rail mass transit project to improve transportation.

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Algiers, Algeria: Rank 5

• Overall Rating (100=ideal): 40.2
• Stability: 40
• Healthcare: 45.8
• Culture and environment: 39.8
• Education: 50
• Infrastructure: 30.4

Algiers has worked its way up after tying for the second worst spot in 2009 and 2010 but it has the lowest education score in the bottom 10 cities.

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Tripoli, Libya: Rank 6
Al Bayda, Libya

• Overall Rating (100=ideal): 40.4
• Stability: 50
• Healthcare: 33.3
• Culture and environment: 39.1
• Education: 50
• Infrastructure: 32.1

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Karachi: Rank 7

• Overall Rating (100=ideal): 40.9
• Stability: 20
• Healthcare: 45.8
• Culture and environment: 38.7
• Education: 66.7
• Infrastructure: 51.8

In terms of healthcare, education and infrastructure, Karachi has some of the highest scores in the bottom 10 but the increasing instability of the city and country as a whole has seen Karachi's ranking slip since 2009.

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Douala, Cameroon: Rank 8

• Overall Rating: 44
• Stability: 60
• Healthcare: 25
• Culture and environment: 48.4
• Education: 33.3
• Infrastructure: 42.9

After ranking fourth worst on EIU's list of least livable cities in 2009 and fifth in 2010, the city moved to seventh position this year. Douala however has the worst education score of the bottom 10 cities.

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Tehran, Iran: Rank 9

• Overall Rating: 45.8
• Stability: 50
• Healthcare: 62.5
• Culture and environment: 35.9
• Education: 50
• Infrastructure: 33.9

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Cote d' Ivoire, Abidjan: Rank 10

• Overall Rating: 45.9
• Stability: 30
• Healthcare: 45.8
• Culture and environment: 54.2
• Education: 50
• Infrastructure: 53.6