Are the 12 tribes of Israel the same as Israel today?

In 586 BCE all 12 Tribes were deported to Babylonia, when they returned 70 years later, 9½ of the 12 tribes had completely assimilated into Babylonian society and did not return to Israel. After...

Levites

In Hebrew they are pronounced Reuven Shimon Levi Yehuda Dan Naftali Gad Asher Yosef Binyamin Yisaschar Zevulun

Joseph not in the 12 tribes of Israel. Jacob or Israel has 12 sons... Reuben, Simeon, Levi, Judah, Issachar and Zebulun, Joseph and Benjamin, Dan and Naphtali, Gad and Asher. So logically, 12 tribes...

Yes. today every Jewish person is descended from one of them.