The datasets are based on more than 12.4k billions of individual image data records collected by different satellite sensors in the past 40 years.
For instance, since 1975, built-up areas have increased by 2.5 times globally, while the global population increased by a factor of 1.8. Today 7.3 billion people live and work in only 7.6% of the global land mass.
Nine out of the ten most populated urban centres are in Asia, while five out of the ten largest urban centres are in the United States.
(Source European Commission)