KUALA LUMPUR, Jan 20 (Reuters) - Malaysia's consumer price index (CPI) in December rose 3.8% from a year earlier, government data showed on Friday.

The rise was slightly less than the 3.9% growth forecast by 15 economists in a Reuters poll. In November, the index had risen 4%. (Reporting by A. Ananthalakshmi; Editing by Kanupriya Kapoor)