McClelland's learned needs theory identifies three needs. they are the needs for power, achievement, and affiliation. The psychologist David McClelland, identified the basic needs that human beings have, in order of their importance: physiological needs, safety needs, and the needs for belonging, self-esteem and "self-actualization".
c. power, achievement, and affiliation
David McClelland identified three motivators that he deemed to be universal to all humans. They are the need for achievement, a need for affiliation, and a need for power. They are acquired over time and shaped by individual’s experiences