Old Nzau
Old Nzau is a village in the Peren district of Nagaland, India. It is located in the Tening Circle.
Demographics
According to the 2011 census of India, Old Nzau has 270 households. The effective literacy rate is 56.32%.| Total | Male | Female | |
| Population | 1430 | 730 | 700 |
| Children aged below 6 years | 306 | 161 | 145 |
| Scheduled caste | 0 | 0 | 0 |
| Scheduled tribe | 1425 | 727 | 698 |
| Literates | 633 | 393 | 240 |
| Workers | 698 | 329 | 369 |
| Main workers | 339 | 255 | 84 |
| Main workers: Cultivators | 283 | 213 | 70 |
| Main workers: Agricultural labourers | 0 | 0 | 0 |
| Main workers: Household industry workers | 0 | 0 | 0 |
| Main workers: Other | 56 | 42 | 14 |
| Marginal workers | 359 | 74 | 285 |
| Marginal workers: Cultivators | 261 | 19 | 242 |
| Marginal workers: Agricultural labourers | 0 | 0 | 0 |
| Marginal workers: Household industry workers | 0 | 0 | 0 |
| Marginal workers: Others | 98 | 55 | 43 |
| Non-workers | 732 | 401 | 331 |