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Diversity Index Calculator

Diversity Index Calculator

Check your diversity with our Simpson Diversity Index Calculator. Just enter your employee counts and instantly see your workforce diversity score.

Diversity Index Calculator

Enter the headcount of each group to calculate your diversity index.

* Enter headcount for each ethnic group. Total must be greater than 1 to calculate diversity.

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Your Diversity Index

Here's your workforce diversity score. We've also emailed you a copy.

Your Diversity Index
0.000

Based on Enwage's benchmarking data, your workforce is more ethnically diverse than 0% of midsize companies.

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Diversity Index Calculator

This Simpson Diversity Index Calculator gives you a quick and reliable way to measure ethnic diversity within your workforce, providing a clear, actionable score. By entering the headcounts for each ethnicity group, you can instantly see how well-represented different groups are and understand the balance across your organization, all without complex calculations or manual effort.
How It Works

How This Calculator Works

Our Simpson Diversity Index Calculator provides an easy and accurate way to measure the ethnic diversity of any workforce or community. It translates headcounts into a meaningful diversity score using a statistically proven formula.

To get started, you only need to enter the number of individuals in each ethnic group. Once the data is added, the calculator analyzes how individuals are distributed across those groups. This means it looks at balance and representation; not just how many groups are present.

By focusing on distribution, the calculator helps reveal whether diversity is evenly spread or concentrated within a few groups. The result is a single diversity score that offers a clear snapshot of overall ethnic diversity and makes comparisons easier over time.

Step-by-Step Calculation

  • Add the number of individuals in all species (or groups) to get the total (N). 
  • Calculate (N \times (N - 1). 
  • For each species (or group), calculate (n \times (n - 1)), where (n) is the number of individuals in that species. 
  • Sum all the values calculated in step 3. 
  • Divide the sum from step 4 by the value from step 2 to get Simpson’s index (D).
  • Finally, calculate the diversity index as (1 - D). This value represents the community’s overall diversity.
Why Businesses Use It

Why Businesses Use This Diversity Index Calculator?

This Simpson Diversity Index Calculator provides a reliable way to measure ethnic diversity across your workforce. It uses a recognized statistical formula to deliver instant, accurate insights without storing or tracking your data.

Frequently asked questions

How can Simpson’s Diversity Index be applied?
Simpson’s Diversity Index measures the diversity of a community or population. It can be used to understand how varied a specific group or organization is, and to compare multiple communities to determine which one is more diverse.
A low Simpson’s Diversity Index (1 − D) indicates that a community or population has low diversity. For instance, if only one group or species is present, the index would be 0, showing no diversity.
A higher value of Simpson’s Diversity Index (1 − D) indicates greater diversity within a community. Values closer to 1 reflect the presence of multiple groups with a more even distribution across the population.
Simpson’s Diversity Index is commonly used in ecology, workforce analytics, education, and social research to measure diversity and distribution across groups.
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