What is the Most Common Personality Type

23 Feb, 2024
What is the Most Common Personality Type

Discover What's the Most Common Personality Type and What It Means for You

You’re probably wondering: ‘What is the most common personality type?’ Straight to the point—it’s the ISFJ, known as the Defender. As we dive into the prevalence and traits of this personality type, you’ll discover how it affects interpersonal dynamics and possibly recognize elements of yourself within this profile.

Are You Ready?
Take this test and find out your type.

Key Takeaways

  • The Myers-Briggs Type Indicator (MBTI) is a widely utilized personality tool that divides individuals into 16 personality types, with ISFJ being the most common type in the US, accounting for about 13.8% of the population.
  • ISFJs are known for their caring and supportive nature, practicality, and strong sense of duty. Strengths include loyalty and reliability, while weaknesses involve struggling with change and expressing emotions.
  • The understanding of personality types is significant for personal and professional growth, aiding in self-awareness and decision-making, as well as providing insights into relationship dynamics and communication styles.

The Most Common Personality Type: An Overview

The concept of personality types has captivated the human imagination for centuries. One of the most popular personality tools globally is the Myers-Briggs Type Indicator (MBTI), utilized by Fortune 500 companies and accessible in numerous languages. MBTI is based on Carl Jung’s theories and categorizes various personality types, including rare types, using four dimensions:

  • Extraversion (E) - Introversion (I)
  • Sensing (S) - Intuition (N)
  • Thinking (T) - Feeling (F)
  • Judging (J) - Perceiving (P)

According to the MBTI, the most common personality type is ISFJ, also known as the Defender. This type is more common than some rare personality types like INFJ and INTJ, which are examples of a rare personality type, and it represents approximately 13.8% of the US population. Among these, the rarest personality type is the INFJ, also known as the Advocate.

Myers Briggs Vs Disc

How Does DiSC Work?

MBTI: A Popular Personality Typing Tool

Katharine Cook Briggs and her daughter, Isabel Briggs Myers, developed MBTI during the early to mid-20th century, with its publication occurring in 1975. It categorizes individuals into 16 distinct types based on various human traits including:

  • ENTJ
  • ENFJ
  • ESFJ
  • ESTJ
  • ENTP
  • ENFP
  • ESFP
  • ESTP
  • INTJ
  • INFJ
  • ISFJ
  • ISTJ
  • INTP
  • INFP
  • ISFP
  • ISTP

Myers Briggs Alternative

Individuals can gain a deeper understanding of themselves through the operation of the MBTI system. The primary preferences that constitute the MBTI personality categories are:

These preferences define the 16 personality types, including the most common personality type, ISFJ.

The Most Common MBTI Personality Type

Representing approximately 13.8% of the US population, ISFJ is the most prevalent MBTI personality type. Known for their loyalty, practicality, and strong sense of duty, ISFJs are known for their empathetic nature. This allows them to understand and respond to the emotions of others, but they may struggle with expressing their own feelings.

  • Under stress, ISFJ individuals may exhibit the following negative emotions:
  • Low energy
  • Depression
  • Pessimism
  • Irritability
  • Anger

They might also tend to perceive things in a more binary manner and become more withdrawn.

Characteristics of the Most Common Personality Type

  • ISFJ, the most common personality type, signifies:
  • Introversion
  • Sensing
  • Feeling
  • Judging

It is present in 14% of the population and is also the most common personality type among women. ISFJs are often seen as supportive, practical, reliable, and good listeners. However, they may face difficulty handling criticism and expressing their emotions.

ISFJs, when stressed, may exhibit symptoms like low energy, depression, pessimism, irritability, and anger. They might also tend to perceive things in a more binary manner and become more withdrawn. These traits, both positive and negative, make ISFJs unique and can significantly influence their relationships and interactions with others.


The specific strengths ISFJs are often known for include:

  • Being supportive
  • Hardworking
  • Loyal
  • Reliable
  • Practical
  • Enthusiastic
  • Good listeners

These strengths make them reliable partners and excellent caregivers, making them highly valued in their personal and professional relationships.

Their caring and empathetic nature allows them to be understanding and grounded in their relationships. This combination of empathy and practicality enables them to effectively perceive and respond to the emotions of others, thereby contributing to their proficiency as caregivers. They are recognized for their precise and thorough work, as well as their unwavering dependability.


ISFJs, despite their many strengths, also have areas for growth. They may struggle with change, as it disrupts their established sense of stability and security, and can lead to feelings of anxiety and being overwhelmed. They may require additional time to adjust to new circumstances, as they prefer to carefully consider and analyze potential consequences before gradually adapting.

ISFJs are also known to be excessively self-critical due to their heightened sensitivity to external criticism and a proclivity to internalize and ruminate on matters. This tendency can result in a confidence crisis and diminished self-esteem.

Furthermore, they encounter difficulty in expressing their emotions as well as understanding other people’s emotions and people’s feelings, frequently finding it challenging to articulate their feelings verbally.

Comparing the Most Common Personality Type to Other Types

A broader perspective on personality as a whole can be provided by understanding the differences and similarities between ISFJ and other personality types. The ISFJ personality type exhibits similarities with other types, such as both ISFJs and INFJs demonstrating a strong sense of conscientiousness and diligence, being quiet and serious, and preferring solitude. Furthermore, ISFJs and ISFPs both display traits of reservation, practicality, and empathy.

However, ISFJs also exhibit variations from other personality types. ISFPs are inclined to be more imaginative while ISFJs lean towards being more pragmatic and fact-based. ISFJs are known for their generosity, adaptability, and loyalty in relationships, distinguishing them from other personality types.


Most personality types exhibit high compatibility with ISFJs. Particularly, personality types such as ESFP, ISFP, ISTJ, and the ESFJ personality type, which share the sensing trait with ISFJs, tend to have similar values in stability, loyalty, and harmony within relationships. ISFJs thrive in partnerships characterized by mutual appreciation and understanding, showcasing their deep commitment to their relationships.

The robust work ethic of ISFJs, marked by steadfastness, perseverance, and unwavering dedication in their occupational endeavors, is highly esteemed. This work ethic aligns with their dependability and the esteem they earn in the professional sphere, a quality that is frequently valued and exhibited by other conscientious personality types. Moreover, the desire for stability is a prominent characteristic in ISFJs, as demonstrated by their inclination towards security, order, and predictable surroundings, which is also important for analogous personality types that prioritize a structured lifestyle and stable relationships.


ISFJs, distinguished as the most people-oriented among introverts, exhibit a preference for introversion, which leads to a caring, loyal, and attentive nature in creating a pleasant environment. In contrast, extroverted types like ESTJ or ESFJ may be more outgoing and enjoy being in the spotlight, exhibiting a more assertive and energetic demeanor in their interactions.

The decision-making process of ISFJs is more oriented towards feelings, demonstrating protectiveness, observance, and loyalty. They prioritize their partner’s needs and engage in nurturing behavior to establish a harmonious environment. However, Thinking types like ESTJ and ENTJ might rely more on logic and objective analysis in their decision-making process.

How Personality Types Impact Personal Life and Relationships

Personal life and relationships can be greatly impacted by understanding personality types, especially the ISFJ type. The impact of different personality types on relationships can be seen in determining compatibility and identifying whether traits clash, thus affecting the ease or difficulty of a relationship. Additionally, personality types can influence one’s ability to find happiness in relationships, although it is important to note that they are not the sole determining factor.

As dependable and devoted partners, ISFJs exhibit love, care, and support in relationships, demonstrating their caregiving nature. They assume a caregiving role by being attentive and protective, ensuring the safety and welfare of those in their vicinity. However, they may face difficulties with conflict resolution and setting boundaries due to their tendency towards excessive selflessness, concealing their emotions, maintaining a rigid perspective, and being sensitive to criticism.

Communication Styles

In their communication, ISFJs demonstrate empathy by:

  • Understanding the emotions of others through their own personal experiences
  • Displaying care and compassion
  • Prioritizing loyalty to experiences they have personally witnessed
  • Often sharing insights from their own life to provide support to others.

However, ISFJs frequently encounter difficulty in being assertive due to their tendency to suppress their emotions. This suppression can result in stress and hinder their ability to effectively communicate their feelings in conversations.

Relationship Dynamics

By demonstrating protectiveness, observance, and loyalty, ISFJs endeavor to uphold harmony. They prioritize their partner’s needs and engage in nurturing behavior to establish a harmonious environment. However, they tend to avoid conflict and may sometimes concede or apologize unnecessarily in order to resolve disputes quickly.

Their difficulty in accepting that others may have different perspectives can lead to misunderstandings and a tendency to ignore underlying issues. The difficulties faced by ISFJs in establishing boundaries also include:

  • A tendency towards excessive selflessness
  • Concealing their emotions
  • Maintaining a rigid perspective
  • Being sensitive to criticism

All of these factors make it challenging for them to assert themselves or resist others due to their inherent inclination to provide support and compassion to those in their surroundings.

Other Common Personality Types and Their Traits

Alongside ISFJ, other prevalent personality types according to MBTI include ISFP, ESTJ, ESFP, and ENFP. In contrast, other rare personality types might not be as commonly encountered.

These types also exhibit a set of unique characteristics and strengths that define their actions and interactions. For instance, the ENFJ type is often characterized by strengths such as empathy and compassion, while weaknesses may encompass an inclination towards excessive self-sacrifice.

The global distribution of MBTI personality types includes common types such as:

  • ESTJ (8.7%)
  • ESFP (8.5%)
  • ENFP (8.1%)
  • ISTP (5.4%)

There is a general trend indicating a higher percentage of sensing, feeling, and judging types among populations. These diverse types bring a variety of perspectives and approaches to the world, highlighting the rich complexity of human personality.

Exploring Alternative Personality Tests and Typing Systems

Though MBTI is among the most popular personality testing tools, alternative models offering different insights are also available. For instance, the Enneagram types are characterized in a more comprehensive way, encompassing emotional, mental, and spiritual aspects, while the Big Five personality test comprises five primary traits: extraversion, agreeableness, openness, conscientiousness, and neuroticism.

While these alternative personality tests provide valuable insights, they also pose challenges, including:

  • Potential time consumption
  • Influence on diversity
  • Concerns about accuracy
  • False sense of objectivity
  • Ethical considerations

Despite these challenges, they remain valuable tools for personal growth and understanding, offering a deeper dive into the rich tapestry of human personality.

The Importance of Understanding Your Personality Type

A powerful tool for personal growth and self-improvement is understanding one’s personality type. It contributes to personal growth by deepening self-awareness, facilitating a growth mindset, and providing valuable insights into strengths, weaknesses, feelings, and actions. Also, it can play a crucial role in managing symptoms of mood disorders and providing valuable insights to supporters for better assistance.

Insights into how emotions influence decision-making and interpersonal connections, which can impact the decision-making process, can be provided by comprehending your personality type. For instance, understanding whether you are:

  • An introvert or extrovert
  • Sensing or intuitive
  • Thinking or feeling
  • Judging or perceiving
  • Can significantly influence how you make decisions.

Personal Growth

Identifying areas for improvement, recognizing stages of personal development, and providing tools to navigate through them are advantages that come from comprehending one’s personal personality type for personal growth, fostering a growth mindset. Ultimately, it serves as a foundational step for self-discovery.

Understanding one’s personality type enables the identification of inherent strengths and areas for improvement, which is essential for utilizing one’s traits for personal development and achievement. This awareness can foster motivation to push oneself and embrace opportunities for learning and self-improvement.


A connection between personality traits and decision-making styles has been established. Research indicates that personality traits like:

  • Extraversion
  • Agreeableness
  • Conscientiousness
  • Openness

can significantly influence the decision-making process. For instance, individuals with a high degree of openness are more likely to be creative and innovative in their problem-solving approaches, while those with high conscientiousness may be more diligent and careful in their decisions.

ISTJ, the most common MBTI personality type, typically adheres to a decision-making approach emphasizing practicality, efficiency, and logic. They analyze situations, understand implications, and consider future potential as key elements of their decision-making process. This approach is distinct from Feeling types who might base their decisions more on personal values and potential impacts on others.


Understanding one’s personality type is a powerful tool for personal growth, improved relationships, and effective decision-making. Embracing one’s unique traits and understanding how they influence behavior can unlock a wealth of self-understanding and potential for personal development. Whether you are an ISFJ or any other personality type, remember that your type does not define you, but rather, it provides a framework for understanding your unique strengths, weaknesses, and preferences. It’s not about fitting into a box, but about understanding the box from which you operate.

What's Your DiSC Type?