
Global mean sea level change 1993-2022
In the past three decades, global mean sea level grew at an average of 3.4 milimeters per year. In January 2022, mean sea level was 102.2 milimeters higher when compared to the same month in 1993. Global sea level rise derives from two main factors - water expansion due to rising temperatures, and an increase in volume from melting ice caps and glaciers.