 The timing prompted media speculation that the act was motivated by potential US tax obligations.Since the enactment of FATCA in 2010, the numbers of people renouncing US citizenship have broken new records each year, increasing from a few hundred per year before FATCA to 5,411 in 2016.In the first two quarters of 2017 alone, 3,072 people renounced, which exceeds the full year total for 2013.