Toshika is a unisex Japanese given name derived from two kanji characters: 'Toshi' meaning 'to advance' and 'Ka' meaning 'song'. This name combines the concepts of progression and melody, suggesting harmony and growth. It gained popularity in Japan during the latter half of the 20th century.
The name Toshika had its peak popularity between 1978 and 1979 with ten births each year. It maintained consistent usage throughout the seventies, with five to seven births annually. However, it began to decline after 1980, with six or fewer births per year from then on.