The number of vehicles recalled in the U.S. reached a nine-year high in 2013, with auto manufacturers recalling a total of 21.9 million vehicles, the National Highway Traffic Safety Administration reported.

Automakers issued a total of 632 recalls in 2013, up 9 percent from 2012.

In comparison, 2012 saw a total of 581 recalls in the U.S., affecting 16.4 million vehicles.

In 2013, Chrysler Group issued the most recalls, 36, which covered nearly 4.7 million vehicles. But Toyota’s 15 recalls affected the highest number of vehicles from a single manufacturer: nearly 5.3 million.

Here are the vehicle manufacturers that recalled the most vehicles in 2013:

Toyota Motor Engineering & Manufacturing --15 recalls, 5,292,619 vehicles

Chrysler Group LLC – 36 recalls, 4,666,233 vehicles

Honda (American Honda Motor Co.) – 15 recalls, 2,774,809 vehicles

Hyundai-Kia America Technical Center Inc. -- 9 recalls, 2,228,185 vehicles

Ford Motor Co. -- 16 recalls, 1,188,133 vehicles

Kia Motors Corp. – 3 recalls, 1,069,589 vehicles

Nissan North America Inc. – 17 recalls, 958,148 vehicles

BMW of North America LLC – 14 recalls, 934,047 vehicles

General Motors LLC – 23 recalls, 757,677 vehicles

Suzuki Motor of America Inc. – 4 recalls, 405,605 vehicles

Subaru of America Inc. – 7 recalls, 337,569 vehicles

Mazda North American Operations – 2 recalls, 161,549 vehicles

Volkswagen of America Inc. – 4 recalls, 70,706 vehicles

Volvo Cars of N.A. LLC – 3 recalls, 38,703 vehicles

Mitsubishi Motors North America Inc. – 6 recalls, 23,625 vehicles

Jaguar Land Rover North America LLC – 3 recalls, 6,841 vehicles

Porsche Cars North America Inc. – 3 recalls, 2,551 vehicles

Mercedes-Benz USA LLC – 4 recalls, 747 vehicles