The tech sector grew about 2 percent in 2016, swelling to 7.3 million workers in the United States, and that boom is showing no signs of slowing down in 2017. The tech industry is worth around $1.3 trillion annually, which is 8 percent of the total US economy, and tech workers are 4 percent of the U.S. workforce. Areas of particular growth include jobs related to cloud computing as more companies migrate to those technologies.