This list is also located in the Book of Nehemiah and in 1 Esdras. Moreover, 1 Esdras states that these exiles returned not at the time of King Cyrus, but at the time of King Darius. These three versions contain significant differences. They are different genealogies, numbers in groups, the number of donated money, the number of animals, the replacing of some groups. These discrepancies are chaotic in nature. Only part of them can be explained by errors of copyists. Therefore impossible to determine what list is original and what is derived from the original list.
The list indicated the total number of captives, which are 42,360 people. But in none of the lists in both books of Ezra and Nehemiah the total number of people does not exceed 34,000 people. Thus the lists are incomplete in all three books, the total number of listed exiles is 30000 - 34000 people.