10 September 2026

Talent Mapping with the 9-Box Grid: A Guide for HR

Talent Mapping with the 9-Box Grid: A Guide for HR

Talent mapping is the process of evaluating employees based on their performance and potential to support decisions around development, promotion, and succession planning. One of the most widely used frameworks is the 9-box grid, a 3x3 matrix developed by McKinsey for General Electric in the 1970s. The performance axis is based on actual work results, while the potential axis should ideally be supported by psychological assessment data to reduce reliance on subjective manager opinions.

Companies often struggle to answer seemingly simple questions: Which employees are ready for promotion? Who needs further development? And who may no longer be the right fit for their current role? Without a clear framework, these decisions often depend heavily on the subjective impressions of direct managers.

Talent mapping provides a more systematic way to address these challenges, and one of the most widely used frameworks for doing so is the 9-box grid. How does it work, and how can HR teams implement it effectively? Here is a practical guide.

What Are Talent Mapping and the 9-Box Grid?

Talent mapping is the process of mapping employees based on a combination of their current performance and future development potential. The goal is to help companies make more targeted decisions regarding promotion, employee development, and succession planning.

Meanwhile, the 9-box grid is one of the most widely used talent mapping frameworks in HR. The framework was first developed by McKinsey in the 1970s to help General Electric prioritize investments across its business units.

Over time, the framework was adapted by HR teams to evaluate individual employees based on performance and potential. Today, it has become one of the most commonly used tools for talent reviews across various industries.

How Does the 9-Box Grid Work?

As its name suggests, the 9-box grid is a 3x3 matrix that combines two key dimensions: current performance on the horizontal axis and future development potential on the vertical axis. Each axis is divided into three levels: low, medium, and high, creating nine possible employee categories.

Some of the key categories most commonly discussed during talent reviews include:

  • Star (high performance, high potential): Strong candidates for future promotion or leadership positions.

  • Solid Performer (high performance, medium potential): Reliable employees who perform well in their current roles, although they may not necessarily be ready for significantly broader responsibilities.

  • High Potential (medium performance, high potential): Employees who may benefit from more intensive development because they have significant room for growth.

  • Risk (low performance, low potential): Employees who require further evaluation to determine whether the issue is related to role fit or other challenges that may be addressed.

Ideally, employee placement within these categories should be discussed by multiple stakeholders, including the direct manager, HR, and relevant leaders. This approach is preferable to relying on the perspective of a single person, helping make the results more balanced and comprehensive.

The Role of Assessment in Evaluating Employee Potential

The performance axis is relatively straightforward to measure because it is typically supported by KPI results or actual work outcomes. The potential axis, however, is much more vulnerable to bias because it often relies on a manager's subjective opinion about “who looks promising.” Such judgments can easily be influenced by personal relationships or temporary impressions.

This is where psychological assessment can play an important role. Data from personality assessments, work-style assessments, and cognitive ability tests can provide a more objective picture of an individual's potential than relying solely on subjective impressions, as explained further in HR Assessment as a Strategic Employee Evaluation Tool for Better Business Decisions.

For positions that may lead to leadership roles, HR can also strengthen the potential assessment by using personality tests to understand communication styles, emotional stability, and leadership readiness. A more detailed discussion is available in The Role of Personality Psychometric Tests in Recruitment Decisions.

How to Implement Talent Mapping in Your Company

Implementing a 9-box grid does not have to be complicated, as long as the criteria are clearly defined and applied consistently from the beginning.

  • Define specific performance and potential criteria before starting the mapping process to ensure consistency across teams.

  • Use objective data, such as KPI results for the performance axis and assessment results for the potential axis, rather than relying on the opinion of a single stakeholder.

  • Conduct talent reviews regularly, ideally at least once a year, because an employee's position within the grid can change over time.

  • Turn the results into concrete action plans, whether through development programs, promotion pathways, or direct conversations about performance expectations.

Talent mapping only creates value when its results are actually followed up, not simply discussed and then left unused.

Start Mapping Your Team's Potential More Objectively

Accurate talent mapping starts with objective data, not simply a manager's subjective impression. Make sure the potential axis in your talent review is supported by properly validated assessments.

Book a Free Consultation with the PsikologieHub team to design an assessment approach that strengthens talent mapping in your organization. You can also Chat with the Psikologiehub Corporate Team to discuss your team's talent review needs directly.

FAQ

1. What is the difference between talent mapping and a performance review?

A performance review evaluates actual work results, while talent mapping combines performance with future development potential to support long-term decisions such as promotion.

2. Is the 9-box grid only for large companies?

No. The framework can be applied by companies of any size, as long as their performance and potential criteria are clearly defined.

3. How often should talent mapping be conducted?

Ideally, talent mapping should be conducted once a year, as employee performance and potential can change over time and with work experience.

4. Can 9-box grid results be used as the sole basis for promotion?

It is not recommended. The results are best combined with multi-stakeholder discussions and additional assessment data to support fairer and more accurate decisions.