Who is the current US vice president as of 2021?

The correct answer is the current Vice President, Kamala Harris. She made history as the first woman and the first person of Black and South Asian descent to hold this position. Harris assumed office on January 20, 2021, alongside President Joe Biden. Her role as Vice President includes supporting the President's agenda, serving as a tie-breaking vote in the Senate, and engaging in diplomatic efforts.

Other individuals listed in the choices have played significant roles in American politics but do not hold the position of Vice President as of 2021. Joe Biden is the President, while Mike Pence served as Vice President prior to Kamala Harris, indicating his term ended with the transition to the Biden-Harris administration. JD Vance is a political figure but does not occupy the Vice Presidential position.