20062006: 20 births, rank #4,520
2007: 11 births, rank #7,094
2008: 15 births, rank #5,767
2009: 20 births, rank #4,748
2010: 16 births, rank #5,478
20112011: 19 births, rank #4,822
2012: 16 births, rank #5,482
2013: 12 births, rank #6,603
2014: 10 births, rank #7,562
2015: 15 births, rank #5,746
20162016: 11 births, rank #7,157
2017: 10 births, rank #7,546
2018: 17 births, rank #5,320
2019: 8 births, rank #8,889
2020: 8 births, rank #8,739
20212021: 10 births, rank #7,587
2022: 6 births, rank #10,863
2023: 8 births, rank #8,921
2024: 15 births, rank #5,904
20252025: 5 births, rank #12,008
In 2025, 5 babies were recorded with the name Kaj, ranking #12,008 among boys.