The psychology of birds of a feather: Why we like people who are like us

I have wondered why I tend to gravitate towards people who share similar interests, beliefs, and values.  The phenomenon known as “birds of a feather flock together” is a well-known concept in psychology, referring to the tendency of people to seek out and associate with others who are similar to themselves. This phenomenon can be observed in various aspects of our lives, from friendships and romantic relationships to work environments and social groups.  Why do we tend to like people who are like us, and the benefits and drawbacks of this tendency.

The phrase “birds of a feather flock together” is something we’ve all heard before, but what does it really mean? At its core, this phrase implies that individuals are more likely to form connections with those who are similar to themselves. But why is this the case? What is it about people who share our interests, values, and beliefs that makes us gravitate towards them? 


Understanding the psychology of birds of a feather can have a profound impact on our personal and professional relationships. By recognizing the importance of similarity in social connections, we can better understand why we are drawn to certain people and how we can cultivate more meaningful relationships with those around us. 

What is similarity attraction?

Similarity attraction is a psychological phenomenon that refers to the tendency of individuals to be attracted to people who are similar to themselves in terms of background, interests, beliefs, values, and attitudes. This phenomenon is rooted in the basic human need for social connection and belongingness. People are naturally drawn to others who share their experiences and perspectives, as it creates a sense of comfort and familiarity.


Research has shown that similarity attraction is a strong predictor of social relationships, including friendships, romantic relationships, and even business partnerships. In fact, studies have found that the degree of similarity between individuals is a better predictor of liking and attraction than other factors such as physical attractiveness, intelligence, and personality traits.
Theories suggest that similarity attraction occurs because people who are similar to us validate our beliefs and attitudes, making us feel good about ourselves. It also allows for easier communication and understanding between individuals, leading to a greater sense of rapport and connection.


Understanding the phenomenon of similarity attraction can be a valuable tool in various contexts, such as marketing, team-building, and relationship-building. By identifying areas of similarity between individuals or groups, we can create stronger bonds and more effective communication, leading to better outcomes and increased satisfaction.

The role of familiarity in forming relationships

Familiarity is a powerful factor when it comes to forming relationships. It is natural for us to feel more comfortable around people who we have something in common with, such as shared interests or experiences. This is because we tend to view people who are similar to us as being more trustworthy and reliable. We assume that if they like the same things as us, they are more likely to have similar values and beliefs which we can relate to.

Familiarity can also help to break down barriers and reduce the likelihood of conflicts arising in the future. When we are around people who are familiar to us, we are more likely to let our guard down and be ourselves. We do not have to constantly worry about presenting a certain image or saying the right things. This can make it easier to build a deeper connection and form a lasting relationship.

However, it is important to note that familiarity can also lead to negativity and bias. When we are surrounded by people who are similar to us, it can create a sense of in-group/out-group mentality. We may start to view people who are different as being inferior or even hostile. This can lead to a lack of diversity and a closed-minded approach to life.

The importance of shared values and beliefs

Shared values and beliefs are an important factor in why we like people who are like us. When we come across someone who shares our values and beliefs, we’re more likely to trust them, and this trust leads to a more positive relationship.

This has been shown in studies where people were more likely to choose friends who shared their political beliefs, religious views, and even their taste in music. When we feel that someone is like us, we’re more likely to feel comfortable with them, and this can lead to a deeper connection.
Shared values and beliefs can also help us to feel understood. When we meet someone who shares our views, we feel that they understand us on a deeper level, and this can lead to a stronger emotional connection.

The downside of seeking similarity

While it’s natural to seek similarity in others, it’s important to be aware of the potential downsides of this behavior. One of the biggest drawbacks is that it can lead to a lack of diversity in our social circles.
By only surrounding ourselves with people who are similar to us, we miss out on the opportunity to learn from those who have different backgrounds, experiences, and perspectives. This can limit our personal growth and development, as well as hinder our ability to understand and empathize with people who are different from us.

In addition, seeking similarity can also contribute to groupthink, a phenomenon where a group of people prioritize consensus and conformity over independent thinking and decision-making. This can be dangerous in both personal and professional settings, as it can lead to a lack of creativity, innovation, and critical thinking.

Therefore, it’s important to balance our natural inclination towards similarity with a conscious effort to seek out diverse perspectives and experiences. By doing so, we can expand our horizons, broaden our understanding of the world, and become more open-minded and accepting individuals.

How to broaden your social circle beyond similarity

While it’s natural to be attracted to people who are similar to us, it’s also important to broaden our social circle beyond similarity. This can help us learn new things, gain new perspectives, and become more well-rounded individuals.

One way to do this is to actively seek out opportunities to meet people who are different from us. This can be done by attending events or joining groups where we can interact with people from diverse backgrounds or with different interests.

Another way to broaden our social circle is to be open-minded and curious about others. Instead of making assumptions or judgments about people who are different from us, we can ask questions and listen to their experiences and perspectives. This can help us to see things from a new point of view and gain a deeper understanding of the world around us.

Additionally, we can challenge ourselves to step outside of our comfort zones and try new things. This can help us to meet new people and develop new interests, which can ultimately lead to new friendships and connections.

While it’s natural to be attracted to people who are similar to us, it’s important to actively seek out opportunities to broaden our social circle beyond similarity. By doing so, we can gain new perspectives, learn new things, and become more well-rounded individuals.

The benefits of diversity in relationships

While it’s true that we tend to be drawn towards people who are similar to us, there are also many benefits to having diverse relationships.

For one, diversity in relationships exposes us to different perspectives and ideas that we may not have encountered otherwise. This can broaden our understanding of the world and help us become more empathetic towards others.

Additionally, having diverse relationships can also help us identify and overcome our own biases and prejudices. By interacting with people who are different from us, we are forced to confront our own assumptions and beliefs, and this can lead to personal growth and development.

Furthermore, diverse relationships can also lead to greater creativity and innovation. When we collaborate with people who have different backgrounds and experiences, we are able to draw on a wider range of ideas and skills, and this can lead to more innovative solutions to problems.

In short, while it’s tempting to stick to what’s familiar, there are many benefits to embracing diversity in our relationships. By doing so, we can broaden our horizons, challenge our assumptions, and become more creative and innovative in the process.

Tips for building stronger relationships.

The psychology of birds of a feather is a powerful concept that can be leveraged to build strong and lasting relationships. The idea that we are more likely to be drawn to people who share similar interests, values, and beliefs to us is well supported by research, and is something that can be used to great effect in both personal and professional contexts.

If you are looking to build stronger relationships, whether that’s with friends, family, or colleagues, the key takeaway is to focus on finding common ground. Take the time to get to know the other person and look for shared interests or values that you can use as a starting point for building a connection.

Another important takeaway is the value of diversity. While we are naturally drawn to people who are like us, it’s important to also seek out relationships with people who bring different perspectives and experiences to the table. This can help to broaden our own horizons and can lead to more creative and innovative thinking.

Finally, it’s worth remembering that building strong relationships takes time and effort. It’s not something that can be achieved overnight, but rather is a process that requires ongoing investment and attention. By being mindful of the psychology of birds of a feather, and by taking steps to build connections with those around us, we can create stronger, more meaningful relationships that will stand the test of time.