Meaning and history
From Japanese 海 (kai) meaning “sea, ocean” combined with 斗 (to), referring to a Chinese constellation, or 翔 (to) meaning “soar, fly”; other kanji combinations are also possible.
20062006: 37 births, rank #2,979
2007: 27 births, rank #3,793
2008: 30 births, rank #3,561
2009: 43 births, rank #2,800
2010: 46 births, rank #2,632
20112011: 42 births, rank #2,798
2012: 43 births, rank #2,772
2013: 46 births, rank #2,594
2014: 46 births, rank #2,622
2015: 47 births, rank #2,600
20162016: 40 births, rank #2,935
2017: 50 births, rank #2,532
2018: 44 births, rank #2,748
2019: 59 births, rank #2,310
2020: 62 births, rank #2,212
20212021: 69 births, rank #2,096
2022: 84 births, rank #1,875
2023: 65 births, rank #2,188
2024: 75 births, rank #2,028
20252025: 71 births, rank #2,077
In 2025, 71 babies were recorded with the name Kaito, ranking #2,077 among boys.