Range spread is a statistical measure of pay dispersion within a defined group — typically a career level or sub-level — that expresses how wide the gap is between the highest and lowest values in the dataset. It is calculated as follows:

Range spread = (Maximum – Minimum) ÷ Minimum

In Vencon Research's Consultant Salary Survey, range spread is used to characterise the degree of variation in pay at each career level across the comparator group, and is classified into three bands:

• Insignificant — below 50%: pay is relatively clustered; firms in the market are paying within a fairly tight range at this level
• Significant — 50–100%: a meaningful spread exists; the highest-paying firms are paying materially more than the lowest-paying ones
• Noteworthy — above 100%: the highest-paying firm at this level is paying more than double the lowest-paying firm; the market is highly dispersed

What Range Spread Tells You

Range spread provides context that a single median figure cannot. Two career levels with the same median pay can have very different range spreads — one where firms are tightly clustered around the median, and one where there is enormous variation between firms. These situations have quite different implications for how a firm should interpret its own position and what the risk of being uncompetitive actually looks like.

A high range spread at a given level typically reflects one or more of the following:

• Firm type variation — if the comparator group includes firms of very different types, pay practices will diverge significantly even at the same nominal career level
• Line of business variation — in a mixed-LoB dataset, higher-paying specialisms will pull up the maximum while lower-paying ones pull down the minimum
• Level definition variation — if different firms define the same career level title very differently in terms of scope and seniority, pay will reflect those definitional differences
• Talent market dynamics — at levels where talent is scarce and competition is intense, some firms will pay well above the norm to secure specific skills, widening the spread

Range Spread and Benchmarking Interpretation

When range spread is low, the median is a reliable guide to market practice and small deviations from it are unlikely to represent a significant competitive disadvantage. When range spread is high, the median is less definitive — a firm at P50 may be paying well below many of its specific competitors even while sitting in the middle of the overall distribution.

This is why understanding range spread is particularly important when interpreting benchmarking data for niche or specialist lines of business, or in markets where a small number of high-paying firms have a disproportionate influence on the top of the distribution. See Percentile and Survey Statistics for more on how the full distribution of market data should be read.

Range Spread vs Internal Pay Range Spread

Range spread as a survey statistic — describing the dispersion of pay across surveyed firms at a given career level — is distinct from the spread of an internal pay range or salary band, which describes the designed corridor between the minimum and maximum a firm will pay within a level. Both concepts involve a spread between minimum and maximum, but one is a market observation and the other is an internal design choice. A wide market range spread does not mean a firm should design a wide internal pay range, and vice versa.