The Tagalog and Bikol languages both belong to the Austronesian language family, specifically the Malayo-Polynesian branch. This family encompasses a wide array of languages spoken across Southeast Asia, the Pacific, and some parts of mainland Asia.

Key Characteristics:

• Austronesian Language Family: One of the largest language families with languages spread over a vast area.
• Malayo-Polynesian Branch: Includes languages spoken in the Philippines, Indonesia, and across the Pacific Ocean.

For more in-depth information, you can refer to the Ethnologue entry on Austronesian languages.