The difference is that the senior Senator has been in office longer than the junior Senator.
As of October 2021, Maryland's senior senator is Ben Cardin and its junior senator is Chris Van Hollen.
Barack Obama served as a junior senator from Illinois from 2005 to 2008.
A junior senator has served in the senate for a shorter time than the other senator from his state; that other senator from his state is a senior senator.
He was the junior senator from Illinois.
There are 2 senators from each state each serving 6-year terms. The senator with the longer term in office is known as the "senior" senator while the other is known as the "junior" senator.
Barbara Boxer is a U.S. Senator from California, which is not the same thing as a California State Senator. A California State Senator is a member of the California State Senate, which is part of the California State Legislature. The U.S. Senate is part of the U.S. Congress, which is part of the federal government. The term "California Senator" can be confusing, because it could refer to either a U.S. Senator from California or a California State Senator.
Debbie Stabenow
Barbara Boxer
Begich.
Yes she is the senior Senator and Susan Collins is the junior Senator.
She is the junior US Senator from Maine.