list of tallest tower (KLCC no 2 now)....but later will be 3rd

Now day, KLCC tower is 2nd as tallest building in the world. But later after Burj Dubai's constructions complete, KLCC will be 3rd and Teipei 101 will be 2nd. But how long this record can be defending because now so many skyscrapper is under planning to be build. Whatever is it, the most important aspect is the safety of the buiding before, during and after construction stage.....

TALLEST BUILDINGS IN THE WORLD
Number	Building	City	Height	Floors	Year	Architect
1.	Taipei 101	Taipei , Taiwan	1,671 ft (509 m)	101	2004	C.Y. Lee & Partners
2.	Petronas Tower 1	Kuala Lumpur, Malaysia	1,483 ft (452 m)	88	1998	Cesar Pelli & Associates Architects, Adamson Associates, RSP Architects Planners & Engineers Private Limited
3.	Petronas Tower 2	Kuala Lumpur, Malaysia	1,483 ft (452 m)	88	1998	Cesar Pelli & Associates Architects, Adamson Associates, RSP Architects Planners & Engineers Private Limited
4.	Sears Tower	Chicago, IL USA	1,451 ft (442 m)	108	1974	Skidmore, Owings & Merrill LLP
5.	Jin Mao Tower	Shanghai, China	1,380 ft (421 m)	88	1998	Skidmore, Owings & Merrill LLP, The Shanghai Institute of Architectural Design (SIADR), East China Architectural Design & Research Institute Co. Ltd.
6.	Two International Finance Centre	Hong Kong	1,362 ft (415 m)	88	2003	Rocco Design Limited, Cesar Pelli & Associates Architects
7.	CITIC Plaza	Guangzhou, China	1,283 ft (391 m)	80	1997	DLN Architects & Engineers
8.	Shun Hing Square	Shenzhen, China	1,260 ft (384 m)	69	1996	K.Y. Cheung Design Associates
9.	Empire State Building	New York City, NY, USA	1,250 ft (381 m)	102	1931	Shreve, Lamb & Harmon Associates
10.	Central Plaza	Hong Kong	1,227 ft (374 m)	78	1992	DLN Architects & Engineers