Riko is of Japanese origin, meaning 'leech'. It's composed of two kanji characters: 'ri', meaning 'to come' and 'ko', signifying 'child'. This name gained popularity in Japan during the 20th century but has since become recognized globally.
The name Riko has seen a varied number of births over the years, with peaks occurring in 2005 (9 births), 2008 (9 births), and 2017 (12 births). However, it appears that there is no consistent trend towards more or fewer births over time, as the numbers fluctuate considerably year by year. The total number of births registered with the name Riko between 2002 and 2023 is 108.