The nation's fastest-sinking city is Houston, with more than 40% of its area dropping more than 5 millimeters (about 1/5 inch) per year, and 12% sinking at twice that rate.
Understanding subsidence in the Houston-Galveston region
Since 1836, groundwater withdrawals have caused about 3,200 square miles of the Houston-Galveston area to subside (or sink) more than a foot, with some areas subsiding as much as 12 to 13 feet.
Noob-tier numbers, Texas. Here's a photo from 1977 in California showing land subsidence on a telephone pole from 1925 to 1977.
Its population is too small to make it into this study, but it was mentioned in the press release from Colombia alongside Venice and Jakarta as rapidly subsiding coastal metropolises that have drawn media attention.