1. Physiological needs: basic needs for survival such as food, water, shelter, and sleep
2. Safety needs: needs for security and stability, such as safety from physical and emotional harm
3. Love and belonging needs: needs for social interaction, love, and a sense of belonging
4. Esteem needs: needs for self-esteem, self-respect, and respect from others
5. Self-actualization needs: needs for personal growth, self-fulfillment, and realizing one's potential.