Riyadh and Luoyang
Comparison by area and population

Riyadh

Saudi Arabia

Luoyang

China

Population

5 700 000
 (2013)

5 700 000
(2013)

6 544 007
(2008)
6 544 007
 (2008)

Area

1 554 km2

1 554 km2

15 208 km2
15 208 km2

Population density

3 667.95
/km2

3 667.95/km2

430.30/km2
430.30
 /km2
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