🇰🇷 Korean: 24
🇮🇱 Hebrew: 22
🇮🇹 Italian: 21
🇵🇬 Rotokas: 12
Note: The German alphabet consists of 26 regular letters, 3 „Umlauts“ (mutated vowels: ä, ö, ü) and 1 ligation (double letter: ß - spoke as a „sharp s“).
The Japanese language has 3 types of alphabet. Hiragana & Katakana