A walking assistance apparatus may include a driver configured to assist movements of a first joint related to a right leg of a user and a second joint related to a left leg of the user, a sensor configured to measure a first joint angle corresponding to the first joint and a second joint angle corresponding to the second joint, and a controller configured to generate a walking assist profile based on a previous step of the user, modify the walking assist profile based on the first joint angle and the second joint angle, and control the driver based on the modified walking assist profile.