Which are the most likely next languages?

There is on-going work on at least Arabic, Farsi, Hebrew, Hindi/Urdu, Icelandic, Japanese, Latvian, Maltese, Portuguese, Swahili, Tswana, and Turkish. The EU languages that still lack developers are Czech, Estonian, Greek, Hungatian, Irish, Lithuanian, Slovak, and Slovene. You are most welcome to contribute to any of these languages!