The Jeddah Tower will be 1km high which will make it the tallest building in the world when it is completed in 2020

1,006

Jeddah

Tower

Saudi Arabia

Constructed

Under construction

828m

Burj

Khalifa

UAE

306

The Shard

UK

800

1,000m

600

400

200

Under construction

Proposed

Constructed

828m

Burj Khalifa

UAE

306

The Shard

UK

1,006

Jeddah

Tower

Saudi Arabia

541.3

One World Trade Center

US

739

H700

Shenzhen

Tower

China

1,000 m

800

600

400

200