Ambition can be influenced by a variety of factors, and individuals may differ in their level of ambition due to a combination of inherent traits, experiences, and external influences. Here are some factors that can contribute to varying levels of ambition:

1. Personal Values and Goals: People with clear personal values and specific, challenging goals are often more ambitious. The desire to achieve these goals can drive individuals to work hard and persist in the face of obstacles.

2. Motivation: The source of motivation can vary among individuals. Some may be motivated by a desire for personal success, financial gain, recognition, or a sense of purpose. The strength and nature of these motivations can influence ambition.

3. Personality Traits: Certain personality traits, such as conscientiousness, determination, and resilience, are often associated with higher levels of ambition. Individuals who are naturally driven and persistent may be more ambitious in pursuing their objectives.

4. Cultural and Environmental Factors: The cultural and environmental context in which a person grows up can shape their ambition. For example, a culture that values achievement and success may foster a more ambitious mindset.

5. Educational Background: Access to education and the quality of educational experiences can impact ambition. Exposure to new ideas, opportunities, and mentors can inspire individuals to set ambitious goals for themselves.

6. Role Models and Influences: Having positive role models or influential figures in one's life can fuel ambition. Observing others who have achieved success may inspire individuals to strive for similar accomplishments.

7. Life Experiences and Challenges: Adversity and challenges can either dampen or enhance ambition. Some individuals may be motivated by difficult experiences to overcome obstacles and achieve their goals.

8. Intrinsic vs. Extrinsic Motivation: Ambition can stem from intrinsic motivation (internal desires, values, and interests) or extrinsic motivation (external rewards such as money, status, or approval). Intrinsic motivation is often associated with more sustainable and lasting ambition.

9. Social Comparison: Comparing oneself to others can influence ambition. Some individuals may be more competitive and strive to outperform their peers, while others may be motivated by personal growth and improvement.

10. Risk Tolerance: Ambitious individuals may have a higher tolerance for risk and uncertainty. They might be more willing to take calculated risks in pursuit of their goals, which can lead to greater opportunities and rewards.

It's important to note that ambition is a complex trait, and individuals may exhibit a combination of these factors to varying degrees. Additionally, ambition can change over time in response to life events and experiences.