The phrase "a billion individual" is not correct in written English.
It should be "a billion individuals" to refer to multiple people or entities.
Example: "The study surveyed a billion individuals from various countries to gather diverse perspectives."
Alternatives: "a billion people" or "one billion persons".
GEO currently stores about a billion individual gene expression measurements, derived from over 100 organisms, submitted by over 1500 laboratories, addressing a wide range of biological phenomena.
To some extent, we can measure the state of mind of these half a billion individual people through opinion polls, focus groups, website comment threads and the like.
While consumers bought more than a billion individual digital tracks in the United States, which accounts for a majority of online sales worldwide, they bought only 65 million digital albums in 2008.
Unlike automobiles, which globally represent something like a billion individual sources of carbon dioxide, power plants represent large, concentrated sources of carbon dioxide emissions.
More than a billion individuals – one in seven people on the planet – now lack access to safe drinking water.
To make such a calculation for any point in time requires on the order of a million million individual operations.
Reddit is made up of more than a million individual communities, or subreddits, some of which have three subscribers, some twenty million.
Even his biggest projects are made up of a thousand individual delicacies, which may help explain why his output was scant.
Over a hundred individual student groups on either side of the debate are up and running at universities around the country.
The fully functioning vehicle is comprised of more than a million individual LEGO parts supported by a steel frame.
Collectively, these windows depict between 800 and 900 individual figures there has never been an official count and contain more than a million individual pieces of stained glass.
