• More than 2.5 trillion images are shared or stored on the internet annually.
• By 2020, it is estimated that 6.1 billion people will have phones with cameras.
• In a single year, approximately 106 million new surveillance cameras are sold.
• Worldwide, more than 3 million ATMs have cameras that watch its users.
• There are billions of pictures of citizens unknowingly captured on face-recognition technology and stored on databases, both private and governmental.
• In 2016, 2.5 million drones were purchased by American citizens.
• More than 1,700 satellites monitor the Earth.
• Manhattan has approximately 20,000 officially run cameras connected to its CCTV network. Chicago has approximately 32,000.
• High numbers of surveillance cameras can also be found in U.S. cities that have low crime rates and no history of terrorist attacks.
• Approximately 150,000 British police officers are equipped with body cams. It is reported that some British teachers have also tested out the use of body cameras.

[SOURCE: National Geographic February 2018]