Complex sentence: Of the total household population, 68.71 percent classified themselves as Ilokanos, followed by the Ybanag (14.05 percent) and Tagalog (10.02 percent).
Split into simpler sentences: Of the total household population, 68.71 percent classified themselves as Ilokanos. The next two prominent groups (ethnic) are the Ybanag (14.05 percent) and Tagalog (10.02 percent).