The study examined management of retirees’ skills as correlate of national security and development: a case study of Rivers State. The study utilized simple random sampling method to select 170 retirees in Rivers State. The “Management of Retirees’ Skills Scale (MRSS) and National Security and Development Scale (NSDS) were used for collection of data for the study. The instrument items were designed and validated by the researcher. The reliability coefficients of Management of Retirees’ Skills Scale and National Security and Development Scale are 0.82 and 0.81 respectively. The findings of the study revealed that retirees’ entrepreneurial skills to a high extent contribute to national security and development in Rivers State by 67.8%. Retirees’ in-service training skills contribute to a high extent to national security and development in Rivers State by 65%. Also, the finding revealed that there is a very strong significant relationship between management of retirees’ skills and national security and development in Rivers State. Based on these findings, it was recommended among others that institutions or employers should make a deliberate effort to invest in their employees through entrepreneurship programmes to equip the workers with relevant skill for post-retirement. By so doing, knowledge held by these retirees could be shared and leveraged in a number of key ways to help the local, state and federal government address the root cause of human security such as persistent poverty, unemployment, epidemics, lack of access to basic health care, environmental degradation, terrorism, lack of rule of law and justice.