Meaning and history
From Japanese 一 (kazu), meaning “one,” or 和 (kazu), meaning “harmony” or “peace,” combined with 輝 (ki), meaning “brightness,” 希 (ki), meaning “hope,” or 樹 (ki), meaning “tree,” as well as other possible kanji combinations.
20062006: 16 births, rank #5,303
2007: 10 births, rank #7,590
2008: 12 births, rank #6,763
2009: 13 births, rank #6,436
2010: 9 births, rank #8,139
20112011: 12 births, rank #6,578
2012: 14 births, rank #6,001
2013: 11 births, rank #7,026
2014: 9 births, rank #8,130
2015: 7 births, rank #9,568
20162016: 10 births, rank #7,605
2017: 8 births, rank #8,840
2018: 11 births, rank #7,136
2019: no US SSA record for this spelling
2020: 9 births, rank #8,067
20212021: 5 births, rank #12,146
2022: no US SSA record for this spelling
2023: 7 births, rank #9,763
2024: 5 births, rank #12,349
20252025: 5 births, rank #12,008
In 2025, 5 babies were recorded with the name Kazuki, ranking #12,008 among boys.