Inclusion Criteria:  Subjects with degenerative osteoarthritis. Subject is planning to have TKA using JOURNEY II CR. Subject is able and willing to provide voluntary consent to study participation. Subject is 18-80 years old (inclusive) * (* For Japan, the minimum inclusion age is 20 years old.)  Exclusion Criteria:  Subjects with rheumatoid arthritis/inflammatory arthritis, posttraumatic arthritis. Previous surgeries including HTO, UKA or TKA on the subject knee. Subject is pregnant or breast feeding or those at a child-bearing age planning to become pregnant during the follow up. Subject does not meet the indication or is contraindicated for JOURNEY II CR's IFU.