The complex formula that determines the overall ranking includes computer rankings by eight selectors.
The overall ranking is then a simple average of these three.
For example, although London excelled in the overall ranking, could social upheaval be a threat to its position?
Rwanda, which has risen two places in the overall ranking, to 23rd this year, is also an example of unbalanced development.
Terrorism The panel chose not to include any of the proposed solutions to the challenge of terrorism in the overall ranking.
She was 17 points behind fourth-placed Margaret Berger of Norway, so the extra 10 points would not have made any difference in the overall ranking.
Vulnerable: The lower-left quadrant shows cities growing at a slower pace and being at the medium to low position within the overall ranking.
Bortolami is at the top of the overall ranking with a time of 8 23:20, and Wrolich is second, 6 seconds back.
However, topping Wharton on the salary scale, and coming in a surprising second in the overall ranking is the Hong Kong University of Science and Technology.
Pooley won Friday's seventh stage to extend her lead in the overall ranking and was untroubled in yesterday's ninth stage as she completed victory.
The five in the breakaway, who before Thursday's stage ranked no higher than Voeckler's 59th place, three minutes behind Armstrong, now stand atop the overall ranking with O'Grady in second place, 3 13 behind.
