| Nifer o gyfrifon Facebook yng Nghymru | ||||
| Oedran | Gwryw | Benyw | Cyfanswm | |
| 13-15 | 32,000 | 41,000 | 73,000 | |
| 16-25 | 250,000 | 240,000 | 490,000 | |
| 26-35 | 210,000 | 220,000 | 430,000 | |
| 36-45 | 150,000 | 190,000 | 340,000 | |
| 46-55 | 130,000 | 170,000 | 300,000 | |
| 56-65+ | 140,000 | 190,000 | 330,000 | |
| 13-65+ | 912,000 | 1,051,000 | 1,963,000 | |
| Nifer o gyfrifon yng Nghymru sydd wedi ticio'r blwch Cymraeg | ||||
| Oedran | Gwryw | Benyw | Cyfanswm | |
| 13-15 | 1,100 | 2,100 | 3,200 | |
| 16-25 | 25,000 | 37,000 | 62,000 | |
| 26-35 | 13,000 | 18,000 | 31,000 | |
| 36-45 | 7,300 | 12,000 | 19,300 | |
| 46-55 | 4,700 | 8,400 | 13,100 | |
| 56-65+ | 4,600 | 6,700 | 11,300 | |
| 13-65+ | 55,700 | 82,100 | 137,800 |
