Ottakoil vs Olaiyur
Ariyalur, Tamil Nadu · Ariyalur, Tamil Nadu
Olaiyur: the 2020 survey restated the 2011 population verbatim, so no change is shown
| Ottakoil Ariyalur | Olaiyur Ariyalur | |
|---|---|---|
| Population, Census 2011 | 4,703 | 3,090 |
| Population, 2020 survey only where the 2020 figure is usable | 5,104 | — |
| Change since 2011 | +8.5% | — |
| Households, 2020 | 1,461 | 1,265 |
| Sex ratio, 2011 females per 1,000 males | 1,006 | 1,018 |
| Literacy, 2011 | 58.4% | 59.7% |
| Students per teacher, 2020 | 26 | 21 |
| Primary school | Yes | Yes |
| Middle school | Yes | Yes |
| Piped tap water | 100% habitations covered | 50 to 100% habitations covered |
| All-weather road | Yes | Yes |
| Public transport | Bus | Bus |
| Bank | Yes | No |
| Primary health centre | Sub Centre | Sub Centre |
| Internet | Yes | No |
| Electricity | >12 hrs | >12 hrs |
Facility answers are the 2020 Mission Antyodaya survey's own yes/no, recorded per gram panchayat. Where a village spans more than one panchayat the figures are from one return, so treat a single “No” as the surveyor's answer rather than a certainty.