Great House of Targaryen (Dothraki, Unsullied and Second Sons, Dragons)
58 000~100 000, 10 000, 3 ≈ 110 000
White walkers (Wights, White Walkers) 50 000~110 000, 99 ≈ 110 000
Great House of Lannister (Crownlands and Westerlands,
Kings Landing and Gold Cloaks) 30 000~60 000, 17 000 ≈ 50 000
Great House of Tyrell 65 000~90 000 ≈ 65 000
Great House of Martell in Dorne 45 000~50 000 ≈ 50 000
Great House of Stark 200, 30 000 ≈ 30 000, North ≈ 15 000
Lord of the Vale (Baelish) 30 000~50 000 ≈ 30 000
King Euron Greyjoy 10 000~20 000 ≈ 10 000
Night’s Watch ≈ 100

Based on map that was: „I got this by googling the deleted link: https://zeitgeist.photo/asset/201502/zg.mg6c.jpeg”, which was made by MaximePLASSE in 2014: http://maximeplasse.deviantart.com/
Made By Maciej Psych Smykowski Katowice, 2017-07-23

Old map: http://www.psychu.eu/2016/07/game-of-thrones-map-of-armies-2016/