SAN FRANCISCO (KGO) -- Someone is definitely keeping an eye on San Francisco.
When it comes to public surveillance cameras it's in the top five in the United States according to a new study.
For every 1,000 people, it has just over three cameras.
Only Atlanta, Chicago and Washington, D.C. have higher ratios according to Comparitech.
There are a total of more than 2,700 surveillance devices in the city.
However the United States lags far behind the rest of the world.
China has the top five most-surveilled cities in the world and eight of the top ten.
London is sixth and Atlanta ranks tenth.
San Francisco among top five most-surveilled cities in the United States, study says