Global Semiconductor Shortage: What Makes US Vulnerable To China And Taiwan by Tushar G. - Mar 13, 2021 05:14 AM Why US Is Worried By The Global Semiconductor Shortage Snapshot The US remains the global leader in semiconductor design and research & development, yet the majority of chip manufacturing is now happening in Asia. For 2019-30, the projections hint at greater manufacturing share for China, Taiwan, South Korea, and Singapore while predicting a decline in the US global share. In the last week of February 2021, President Joe Biden signed an executive order directing the administration to address the worrying shortfall in semiconductor production that impacted operations at some auto plants.