Playerbase by world in thousands
A 82
B 81
C 82
D 87
E 85
F 84
G 84
H 85
J 83
K 83
L 83
M 85
N 82
O 82
P 81
Q 79
R 79
S 79
T 78
U 78
V 71
W 56
X 47
World - Open Date - Announcement
Yorkton - Open Date?
Xyr - 1/26/17 - Announced 1 day prior
Walstrand - 9/19/16 - Announced 3 days prior
Vingrid - 4/27/16 - Announced 2 days prior
Uceria - 6/15/15 - Announced 1 day prior
Tuulech - 5/27/15 - Announced 1 day prior
Sinerania - 4/28/15 - Announced same day
Rugnir - 4/?/15 - No announcement
Qunrir - 3/13/15 - Announced same day
Parkog - 10/30/14 - Announced same day
Odhrorvar - 10/22/14 - Announced same day
Noarsil - 10/13/14 - Announced 1 day prior
Mount Killmore - 10/2/14 - Contest announcement
Langendorn - 7/16/14 - Announced 2 days prior
Korch - 7/2/14 - Announced 3 days prior
Jaims - 6/23/14 - Contest Announcement
Houndsmoor - 2/17/14 - Announced 7 days prior
Greifental - 10/12/13 - Announced 6 days prior
Fel Dranghyr - 9/18/13 - Announced 5 days prior
East-Nagach - 7/10/13 - Announced 9 days prior
Dunarsund - 1/17/13 - Contest Announcement
Cirgard - 9/4/12 - Announced same day
Brisgard - 8/9/2012 - No Announcement - Teaser Announcement Aug 6 2012
Arvahall - April 2012? -
https://blog.forgeofempires.com/?p=463 First blog post November 30, 2011