Finally, the databases cannot be updated until a new version of Google Earth is released which happens every few months. Thus, it takes more time. On average, imagery of an area is updated every 1-3 years. read more
PLEASE NOTE: Google Earth Blog is no longer writing regular posts. As a result, we are not accepting new comments or questions about Google Earth. If you have a question, use the official Google Earth and Maps Forums or the Google Earth Community Forums. read more
Google Earth updates its database completely every one to three years, though some sections update more frequently. Google Maps updates daily, with changes appearing on the app and website within approximately three weeks of the update being made. read more