Why Women Are Better at Coding: Evidence & Context

Women are not inherently better at coding than men, but research and industry data show that teams with more women produce more reliable code and better business outcomes. This article explores the evidence, the reasons behind these findings, and the broader context of gender and programming.

What the Research Says

A widely cited 2016 study by researchers at Cal Poly and North Carolina State University analyzed over 3 million pull requests on GitHub. They found that code written by women was approved at a higher rate (78.6%) than code written by men (74.6%)—but only when the reviewer did not know the author’s gender. When reviewers could identify the contributor as female, the acceptance rate dropped to 62.5%. This suggests that women’s coding is objectively as good or better, yet bias in evaluation holds them back.

Other studies support the idea that diversity improves outcomes. A 2017 report from the Boston Consulting Group found that companies with above-average diversity in management reported 19% higher innovation revenue. While not specific to coding, this points to the value of diverse perspectives in technical problem-solving.

Why Diversity Improves Code Quality

Programming is not just about writing syntax; it’s about solving problems for a wide range of users. A team with varied backgrounds—including gender, culture, and experience—catches more edge cases and designs more inclusive products. For example, a team of only men might miss accessibility issues that affect women, such as voice recognition software that is less accurate for female voices. Diverse teams also tend to communicate more thoroughly, leading to fewer misunderstandings in requirements and fewer bugs.

Research from the MIT Sloan School of Management found that teams with more women were more likely to engage in “collective intelligence”—the ability to work together effectively. This includes turn-taking in conversation and social sensitivity, both of which correlate with better group performance on complex tasks.

How Women Approach Coding

There is no single “female style” of coding, but some studies suggest women are more likely to follow best practices. The GitHub study noted that women’s code was not only accepted more often but also received fewer negative comments. Women also tend to be more collaborative in open-source projects, often asking clarifying questions before making changes, which reduces rework.

In educational settings, female students often score as well as or better than male students in programming courses when prior experience is controlled for. A 2019 study from the University of Michigan found that female students outperformed male students in introductory computer science courses when the courses used pair programming and active learning—methods that emphasize communication over solitary work.

Common Misconceptions

One common myth is that women are “better” because they are more detail-oriented or patient. While these traits can help, they are not biological. The real advantage comes from the diversity of thought. Another misconception is that women avoid coding because they are less interested in technology. In reality, girls often lose interest due to social pressures and a lack of role models, not because of aptitude.

Additionally, some people believe that the gender gap in tech is closing naturally. However, the percentage of women in computing has actually declined since the 1980s, when it was around 35%. Today it hovers around 20-25% in many Western countries. This decline is linked to cultural factors, not ability.

How to Support Women in Coding

If you want to help close the gender gap and benefit from the advantages of diverse teams, consider the following actions:

• Mentorship programs: Pairing junior female developers with experienced mentors increases retention and confidence.
• Blind code reviews: Removing names from pull requests reduces unconscious bias and lets the best code win.
• Inclusive language: Using “they” instead of “he” in job descriptions and documentation makes the field feel more welcoming.
• Flexible work policies: Offering remote work and flexible hours helps everyone, but particularly women who often carry more caregiving responsibilities.
• Education outreach: Supporting coding clubs for girls in schools can spark interest before stereotypes take hold.

Comparing Male and Female Coding Styles

Research does not support the idea that there are distinct “male” and “female” coding styles. Instead, differences in behavior are often the result of socialization. For instance, women may be more likely to ask for help when stuck, which can be mistaken for lower skill but actually leads to faster learning. Men, on the other hand, may be more likely to struggle in silence, which can lead to more bugs.

In team settings, women often excel at documenting their code and writing clear comments. A 2018 study by the University of California, Davis found that code written by women had higher “readability” scores than code written by men. Readable code is easier to maintain and less error-prone, which is a clear advantage in professional settings.

The Role of Bias in the Tech Industry

It is important to acknowledge that women face significant barriers in tech, including hiring bias, pay gaps, and harassment. A 2016 survey by the Pew Research Center found that 50% of women in tech said they had experienced gender discrimination at work, compared to 19% of men. This bias can push women out of the field, which is a loss for the industry.

Companies that actively combat bias—by using structured interviews, salary transparency, and anti-harassment policies—tend to retain more female engineers. This not only improves code quality but also reduces turnover costs.

Frequently Asked Questions

Are women naturally better at coding?

No. There is no evidence of an innate biological advantage. The observed differences in code acceptance and quality are better explained by the fact that women who enter coding often do so despite social discouragement, making them more passionate and careful. Also, diverse teams simply produce better results.

Why are there fewer women in coding?

Historical and cultural reasons, not ability. In the 1980s, the percentage of women in computing was higher. The rise of personal computers marketed to boys, along with stereotypes in media, discouraged girls from pursuing the field. Today, a lack of role models and workplace bias continue to affect retention.

Does women’s code have fewer bugs?

Some studies suggest that code written by women is less likely to contain bugs, but this is likely due to careful practices and the fact that women often face higher scrutiny. When reviewers are blind to gender, women’s code is accepted more often, indicating fewer issues.

How can I become a better coder regardless of gender?

Focus on fundamentals, practice regularly, read others’ code, and ask for feedback. Pair programming and code reviews are excellent ways to improve. Also, learn to write clear comments and documentation—this is often what separates good code from great code.

Is the gender gap in tech closing?

Slowly, but not fast enough. While there are more initiatives to encourage girls in STEM, the percentage of women in computing has not returned to its 1980s peak. Progress requires active effort from companies, educators, and individuals.

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