Data for Paris are wrong.
Completed buildings above 500 feet in Paris:- Tour Maine Montparnasse (1972) : 689 feet.
- Tour Total (1985) : 614 feet.
- Tour Areva (1974) : 604 feet.
- Tour Gan (1974) : 587 feet.
- Tour Alicante (1995) : 548 feet.
- Tour Chassagne (1995) : 548 feet.
- Tour EDF (2001) : 541 feet.
- Coeur Défense (2001) : 528 feet.
- Tour AXA (1974) : 522 feet.
- Tour Adria (2002) : 509 feet.
- Tour Egée (1999) : 509 feet.
Buildings above 500 feet under construction in Paris :- Tour T1 (2007) : 607 feet.
- Tour Granite (2008) : 600 feet.
So even without counting Tour Ariane (499 feet), we have:
- Built : 11
- U/C : 2
- Total : 13
Paris SSP diagram
Paris tallest buildings and structures in Paris (Wikipedia)