Originally Posted by NKJV Preface

the editors decided to retain the traditional text in the body of the New Testament and to indicate major Critical and Majority Text variant readings in the footnotes. Although these variations are duly indicated in the footnotes of the present edition, it is most important to emphasize that fully eighty-five percent of the New Testament text is the same in the Textus Receptus, the Alexandrian Text, and the Majority Text.