Mykola Kuleba said at a news conference in Kyiv that the children were expected to arrive in the capital later in the day. Kuleba is the executive director of the Save Ukraine [09.03.22] organization and is the presidential commissioner for children's rights.
[...]

archived 16,221, 1,000 or 8,000

The exact number of Ukrainian children taken to Russia has been difficult to determine, and numbers from the warring countries differ vastly.

A statement posted Wednesday on Twitter by Ukraine's U.N. ambassador, Sergiy Kyslytsya, said more than 19,500 children had been SEIZED from their families or orphanages and forcibly deported.