| Year | Pop. | ±% |
|---|---|---|
| 1520 | 11,692,000 | — |
| 1566 | 15,000,000 | +28.3% |
| 1683 | 30,000,000 | +100.0% |
| 1831 | 27,230,000 | −9.2% |
| 1856 | 35,350,000 | +29.8% |
| 1881–93 | 17,388,000 | −50.8% |
| 1905 | 20,884,000 | +20.1% |
| 1906 | 20,975,345 | +0.4% |
| 1919 | 14,629,000 | −30.3% |
The demographics of the Ottoman Empire include population density, ethnicity, education level, religious affiliations and other aspects of the population.
Lucy Mary Jane Garnett stated in the 1904 book Turkish Life in Town and Country, published in 1904, that "No country in the world, perhaps, contains a population so heterogeneous as that of Turkey."[1]