Данни за броја и с'става на населението на Македонија в кр.на 19 и началото на 20 век от различни източници както следва:
1. Prof. G. Wiegland - Die Nationalen Bestrebungen der Balkansvölker. Leipzig 1898, Germany
Total-2,275,000 ; Bulgarian-1,200,000 ; Greek-220,000 ; Turks-695,000 ; Albanian---
2. Official Turkish Statistic Ethnicity of Macedonia Philippopoli 1881, Turkey
Total-754,353 ; Bulgarian-500,554 ; Greek-22,892 ; Turks-185,535 Albanian---
3. Vassil Kantcheff - Macedonia Ethnicity and Statistic - 1900, Bulgaria
Total-2,268,224 ; Bulgarian-1,181,936 ; Greek-228,702 ; Turks-499,204 ; Albanian-128,711
4. Journal "Le Temps" Paris 1905, France
Total-2,782,000 ; Bulgarian-1,200,000 ; Greek-270,000 ; Turks-410,000 ; Albanian-600,000
5. Robert Pelletier - La verite sur la Bulgarie. Paris 1913, France
Total-1,437,000 ; Bulgarian-1,172,000 ; Greek-190,000 ; Turks---- ; Albanian-3,036
6. Leon Dominian - The frontiers of Language and Nationality in Europe. Published for the American Geographical Society of New York 1917, USA
Total-1,438,084 ; Bulgarian-1,172,136 ; Greek-190,047 ; Turks---- ; Albanian-12,006
7. Richard von Mach - Der Machtbereich des bulgarischen Exarchats in der Türkei. Leipzig - Neuchatel, 1906, Germany
Total-1,334,827 ; Bulgarian-1,166,070 ; Greek-95,005 ; Turks---- ; Albanian-6,036
8. Dr. Cleanthes Nicolaides - Macedonien - Berlin 1899, Greece
Total-1,820,500 ; Bulgarian-454,700 ; Greek-656,300 ; Turks-576,600 ; Albanian----
9. Prinz Tcherkasky 1877, Russia
Total-1,771,220 ; Bulgarian-872,700 ; Greek-124,250 ; Turks-516,220 ; Albanian----
10. St. Verkovitch 1889, Serbia
Total-1,949,043 ; Bulgarian-1,317,131 ; Greek-222,740 ; Turks-240,264 ; Albanian-78,790