Heavyweight (265)
#1 Stipe Miocic
#2 Francis Ngannou
#4 Vitaly Minakov
#7 Junior Dos Santos
#8 Andrei Arlovski
#10 Timothy Johnson
#11 Curtis Blaydes
#13 Derrick Lewis
#14 Alexey Oleinik
#15 Marcin Tybura
The following fighters were removed from this division's rankings due to inactivity:
Cain Velasquez on 7/09/2017
Anthony Johnson on 3/23/2014
Daniel Cormier on 10/19/2014
Ben Rothwell on 4/10/2017
Josh Barnett on 9/03/2017
Stephen Puetz on 5/02/2016
Brock Lesnar on 7/09/2017
Light Heavyweight (205)
#1 Jon Jones
#2 Daniel Cormier
#3 Anthony Johnson
#4 Ryan Bader
#5 Phil Davis
#6 Alexander Gustafsson
#7 Glover Teixeira
#8 Linton Vassell
#9 Abdul Kerim Edilov
#10 Jiri Prochazka
#11 Karl Albrektsson
#12 Vadim Nemkov
#13 Liam McGeary
#14 Chael Sonnen
#15 Volkan Oezdemir
Vitor Belfort on 11/09/2014
Lyoto Machida on 8/03/2014
Rashad Evans on 4/16/2017
Dan Henderson on 5/24/2015
Tito Ortiz on 1/22/2018
Kelly Anundson on 9/12/2015
Middleweight (185)
#1 Georges St. Pierre
#2 Kelvin Gastelum
#4 Luke Rockhold
#5 Robert Whittaker
#7 Ronaldo Souza
#8 Gegard Mousasi
#9 Chris Weidman
#10 Derek Brunson
#11 Lyoto Machida
#12 Uriah Hall
#13 Vitor Belfort
#14 Antonio Carlos Junior
#15 Gerald Meerschaert
(Romero missed weight therefore still ranked below Rockhold)
The following fighters were removed from this division's rankings due to inactivity:
Tim Kennedy on 12/10/2017
Anderson Silva on 2/11/2018
Chael Sonnen on 7/07/2013
Cung Le on 8/23/2015
Rich Franklin 12/11/2013
Roan Carneiro 2/21/2017
Mark Munoz 5/16/2016
Welterweight (170)
#1 Tyron Woodley
#2 Stephen Thompson
#3 Rafael Dos Anjos
#4 Robbie Lawler
#5 Rory MacDonald
#6 Ben Askren
#7 Douglas Lima
#9 Lorenz Larkin
#10 Neil Magny
#11 Colby Covington
#12 Demian Maia
#13 Carlos Condit
#14 Andrey Koreshkov
#15 Jorge Masvidal
The following fighters were removed from this division's rankings due to inactivity:
Georges St Pierre on 11/16/2014
Kazuo Misaki on 3/03/2013
Kelvin Gastelum on 7/09/2017
Johny Hendricks on 12/30/2017
Martin Kampmann on 8/28/2014
Nick Diaz on 3/16/2014
Ben Henderson on 4/22/2017
Lightweight (155)
#1 Khabib Nurmagomedov
#2 Eddie Alvarez
#3 Tony Ferguson
#4 Edson Barboza
#5 Dustin Poirier
#6 Anthony Pettis
#7 Paul Felder
#8 Charles Oliveira
#9 Nik Lentz
#10 Will Brooks
#11 Brent Primus
#12 Michael Chandler
#13 Patricky Freire
#14 Ben Henderson
#15 Al Iaquinta
(Alex Oliveira beat Brooks at welterweight therefore not ranked)
The following fighters were removed from this division's rankings due to inactivity:
Conor McGregor on 11/13/2017
Rafael Dos Anjos on 11/04/2017
Donald Cerrone on 12/19/2016
Frankie Edgar on 8/11/2013
TJ Grant on 5/25/2014
Gilbert Melendez on 7/23/2017
Myles Jury on 1/03/2016
Featherweight (145)
#1 Max Holloway
#2 Jose Aldo
#3 Brian Ortega
#6 Cub Swanson
#7 Renato Carneiro
#8 Jeremy Stephens
#9 Yair Rodriguez
#10 Calvin Kattar
#11 Andre Fili
#12 Darren Elkins
#13 Diego Brandao
#14 Dennis Bermudez
#15 Doo Ho Choi
(Emmett missed therefore not ranked)
The following fighters were removed from this division's rankings due to inactivity:
Conor McGregor on 12/12/2016
Chad Mendes on 12/11/2016
Anthony Pettis 8/27/2017
Charles Oliveira on 8/27/2017
Nik Lentz on 5/30/2016
Hacran Dias on 10/01/2017
Iuri Alcantara on 6/23/2013
Kenny Florian on 8/08/2012
Chan Sung Jung on 2/04/2018
Dustin Poirier on 9/27/2015
Bantamweight (135)
#1 TJ Dillashaw
#2 Cody Garbrandt
#3 Raphael Assuncao
#4 Brian Kelleher
#5 Renan Barao
#6 Jimmie Rivera
#7 Cody Stamann
#8 Bryan Caraway
#9 Marlon Moraes
#11 Matthew Lopez
#12 Johnny Eduardo
#13 John Lineker
#14 John Dodson
#15 Eddie Wineland
(Sterling beat Barao at featherweight therefore no movement occured)
The following fighters were removed from this division's rankings due to inactivity:
Dominick Cruz on 12/30/2017
Urijah Faber on 12/17/2017
Joseph Benavidez on 8/14/2012
Michael McDonald on 7/13/2017
Chris Cariaso on 2/25/2013
Flyweight (125)
#1 Demetrious Johnson
#2 Kyoji Horiguchi
#3 Rijigala Amu +13
#4 Zhifa Shang +12
#5 Josiel Silva +11
#6 Kurban Gadzhiev +10
#7 Shyngys Kairanov +9
#8 Arman Ashimov +8
#9 Mikael Silander +7
#10 Vitali Branchuk +6
#11 Tagir Ulanbekov +5
#12 Vartan Asatryan +4
#13 Zhalgas Zhumagalov +3
#14 Tyson Nam -10
#15 Yoni Sherbatov -10
The following fighters were removed from this division's rankings due to inactivity:
Joseph Benavidez on 12/3/2017
Ian McCall on 1/31/2016
Women's Bantamweight (135)
#1 Amanda Nunes
#2 Valentina Shevchenko
#3 Holly Holm
#4 Ketlen Vieira
#5 Cat Zingano
#6 Lucie Pudilova
#7 Sarah Moras
#8 Ashlee Evans-Smith
#11 Sara McMann
#12 Alexis Davis
#5 Cat Zingano
#6 Lucie Pudilova
#7 Sarah Moras
#8 Ashlee Evans-Smith
#9 Marion Reneau
#10 Bethe Correa
#10 Bethe Correa
#11 Sara McMann
#12 Alexis Davis
#13 Sarah Kaufman
#14 Leslie Smith
The following fighters were removed from this division's rankings due to inactivity:
Julianna Pena on 01/28/2018
Jessica Rakoczy on 11/30/2014
Raquel Pennington on 11/20/2017
Miesha Tate on 11/20/2017
Ronda Rousey on 12/30/2017
Marloes Coenen on 7/30/2012
Liz Carmouche 11/12/2017
Kerry Vera on 11/20/2010
Jessica Eye on 9/10/2017
Jessica Andrade on 9/05/2016
Women's Strawweight (115)
#1 Rose Namajunas
#2 Joanna Jedrzejczyk
#2 Joanna Jedrzejczyk
#3 Jessica Andrade
#4 Claudia Gadelha
#5 Tatiana Suarez
#6 Viviane Pereira
#7 Carla Esparza
#8 Felice Herrig
#11 Ronda Markos
#12 Tecia Torres
#13 Nina Ansaroff
#14 Angela Hill
#15 Maryna Moroz
#4 Claudia Gadelha
#5 Tatiana Suarez
#6 Viviane Pereira
#7 Carla Esparza
#8 Felice Herrig
#9 Karolina Kowalkiewicz
#10 Justine Kish
#10 Justine Kish
#11 Ronda Markos
#12 Tecia Torres
#13 Nina Ansaroff
#14 Angela Hill
#15 Maryna Moroz
The following fighters were removed from this division's rankings due to inactivity:
Valerie Letourneau on 12/10/2017
Valerie Letourneau on 12/10/2017