Physiological needs - These are biological requirements for human survival. Examples include air, food, water, shelter, clothing, warmth, sex and sleep.
Safety needs – Examples include protection from elements, security, order, law and stability.
Love and belongingness needs – These are the first of social needs, involving the desire for interpersonal relationships and being part of a group. Examples of these needs include friendship, intimacy, trust, acceptance, receiving and giving affection and love.
Esteem needs - Classified into two categories:
Self-esteem, stemming from dignity, achievement, mastery and independence.