20052005: no US SSA record for this spelling
2006: no US SSA record for this spelling
2007: no US SSA record for this spelling
2008: 9 births, rank #8,324
2009: 5 births, rank #12,491
20102010: 6 births, rank #10,766
2011: no US SSA record for this spelling
2012: 6 births, rank #10,770
2013: 5 births, rank #12,136
2014: 6 births, rank #10,717
20152015: 8 births, rank #8,744
2016: 16 births, rank #5,555
2017: 10 births, rank #7,546
2018: 14 births, rank #6,036
2019: 19 births, rank #4,951
20202020: 11 births, rank #7,034
2021: 9 births, rank #8,166
2022: 9 births, rank #8,300
2023: no US SSA record for this spelling
20242024: 8 births, rank #8,987
In 2024, 8 babies were recorded with the name Nikolaj, ranking #8,987 among boys.