The Five Dimensions of Impact — What, Who, How Much, Contribution, Risk — with scoring rubrics, auto-built data dictionaries, and LP-ready impact reporting
The Five Dimensions of Impact are What, Who, How Much, Contribution, and Risk. The Impact Management Project developed the framework to describe the outcome, the people experiencing it, its scale, depth and duration, the change beyond what would otherwise occur, and the possibility that results differ from expectations. The five together turn a vague claim into a structured one, though naming them in a sentence still leaves open what each one is actually asking of a real program.
Watch (8:45): the Impact Management Project's five dimensions taken one at a time — What, Who, How Much, Contribution, Risk — and why practitioners agreed on a shared structure instead of letting every organization describe its impact its own way.
The framework itself is well documented; where organizations get stuck is operating it. Naming the five dimensions in a report is easy. Scoring a real program against them — deciding what evidence each dimension requires, at a level you can actually normalize across a portfolio — is where the framework either becomes measurement or stays a set of section headers.
Key takeaways
An impact framework is a shared structure for defining the change an organization seeks, the evidence needed to assess it, and the rules used to interpret and report results. The Five Dimensions of Impact are one such framework: they describe an impact through What, Who, How Much, Contribution, and Risk. A theory of change explains the causal pathway, while IRIS+ supplies standardized metric definitions.
The Five Dimensions emerged from the Impact Management Project's practitioner consensus and are now maintained as part of the Impact Management Norms by Impact Frontiers. The framework does not prescribe one universal score or software platform. Each organization must define the evidence, rubric, reporting boundary, and review process appropriate to its decisions.
The five dimensions describe the outcome, who experiences it, its scale, depth and duration, the enterprise's contribution beyond what would otherwise occur, and the risk that impact differs from expectations. The definitions below follow the Impact Frontiers norms before adding any Sopact interpretation.
| Dimension | Meaning | Practical question |
|---|---|---|
| What | The outcome, whether it is positive or negative, and its importance | What changed, and does that change matter? |
| Who | The people or communities experiencing the outcome and differences among them | Who changed, and how do outcomes differ across groups? |
| How Much | The scale, depth, and duration of the outcome | How many changed, by how much, and for how long? |
| Contribution | Whether the enterprise helped produce results better than would otherwise have occurred | What changed because of the intervention? |
| Risk | The likelihood that impact will differ from expectations | What could make the expected impact fail or differ? |
Dimensions organize the questions; data categories specify the information required to answer them. Impact Frontiers identifies more granular categories within the five dimensions, such as outcome level, stakeholder characteristics, scale, depth, duration, counterfactual performance, and different forms of impact risk. The categories prevent a broad label such as Who or Risk from standing in for actual evidence.
Indicators are the measures attached to those categories, and a data dictionary defines exactly how each indicator is collected and calculated — but not how to read the answer, which depends on context the dictionary was never built to hold. That creates the missing bridge: Five Dimensions → data categories → indicators → data dictionary → evidence. Sopact's Scoring Architecture begins at that last operational layer; it does not redefine the official framework.
Watch: Impact Measurement & Management in the Age of AI — from scattered evidence to decisions you can defend.
The difference between a report that references the Five Dimensions and one that measures against them is whether each dimension is a heading or a defined field. A heading says “Who: underserved youth.” A scored field says “Who: 82 percent of participants below the area median income, verified against a cited source, on a 1–5 underserved-ness rubric applied identically across the portfolio.” Only the second rolls up.
Sopact calls the operational version the Scoring Architecture: each of the five dimensions becomes a data-dictionary field with a rubric and an evidence requirement, auto-drafted from your own theory of change and documents, so a program is scored — not described — against the framework. The practice this sits inside is on the impact measurement page, and the portfolio version on impact measurement and management.
The framework is not Sopact's; Impact Frontiers maintains the Impact Management Norms, and relevant metric definitions can be drawn from the IRIS+ catalog. What Sopact adds is the layer that turns those definitions and evidence requirements into a scoreable dictionary on one record.
Every dimension has a resolution problem. How Much can be reported as “many people” or as a scale-depth-duration triple with defined units; Contribution can be asserted or estimated against a stated counterfactual; Risk can be a sentence or a typed register. The framework is only as strong as the weakest dimension you can measure consistently, because a portfolio roll-up inherits the loosest definition in it.
This is why adopting the Five Dimensions as a survey or a scorecard, rather than a narrative section, is the operational move. When each dimension is a defined field collected the same way from every program, the score means the same thing across the portfolio; when it is prose, the roll-up is a summary of summaries. Deciding what to measure per dimension is covered on theory of change, and using the score in diligence on due diligence software.
You score against the Five Dimensions by turning each into a defined field with an evidence requirement and a rubric, collecting that evidence on one participant record, and normalizing the rubric across every program so the scores roll up. The framework tells you the five questions; the Scoring Architecture makes each answerable and comparable.
The table pairs each dimension with the question it answers and the evidence a scoreable version requires. Read the last column: it is the difference between a dimension you can put in a report and one you can defend in a diligence meeting.
Consider a workforce-training program for unemployed young adults whose intended outcome is sustained employment. The figures below are illustrative, not findings from a Sopact customer, but they show the evidence structure a complete assessment requires.
“Five hundred people trained” does not describe impact. The count supplies only part of How Much and says nothing about the outcome's importance, who experienced it, what would have happened anyway, or why the expected result might not hold. A complete example makes all five judgments visible and keeps assumptions separate from observed evidence.
| Dimension | Illustrative answer |
|---|---|
| What | Employment and income improve; participants rate financial stability as highly important. |
| Who | Participants are ages 18–24 and unemployed at enrollment; results are segmented by income and other relevant characteristics. |
| How Much | 68% obtain employment, median income rises 22%, and 71% of those employed remain so after 12 months. |
| Contribution | A comparable baseline shows 44% employment, so the full observed result cannot be attributed to the program. |
| Risk | Economic conditions, participant attrition, selection effects, and a short follow-up window could change the conclusion. |
The Five Dimensions and IRIS+ are complementary: the Five Dimensions organize the questions an impact claim must answer, while IRIS+ provides standardized metric definitions and guidance that may supply evidence for those answers. Neither replaces a theory of change, stakeholder evidence, a data dictionary, or governance over interpretation.
For example, an IRIS+ metric can define the number of clients served, but the Five Dimensions still ask whether the outcome matters to those clients, who is underserved, how deep and durable the change is, what would have happened anyway, and what could cause the result to differ from expectation. Sopact's Scoring Architecture binds relevant metrics and source evidence to each dimension without presenting the frameworks as competing products.
A foundation should standardize only the fields that are genuinely comparable across grantees. Shared outcome definitions, units, time windows, denominator rules, contribution assumptions, and risk categories can roll up; program-specific outcomes should remain visible rather than being forced into a portfolio total.
The Scoring Architecture preserves both layers: a common dictionary for portfolio questions and local evidence for each program. Authorized reviewers should inspect missing evidence, uncertain contribution assumptions, and material risks before approving a score. Software can prepare the comparison and cite the sources, but the foundation retains responsibility for the rubric and the judgment.
Each of the Five Dimensions — What, Who, How Much, Contribution, Risk — answers a distinct question and requires distinct evidence to be scored rather than asserted. The last column is what turns the framework into a Scoring Architecture.
| Dimension | Question it answers | Evidence a score requires |
|---|---|---|
| What | What outcome, and how important is it | Defined outcome + stakeholder-rated importance |
| Who | Who experiences it, how underserved | Demographics + a cited underserved-ness benchmark |
| How Much | Scale, depth, duration | Counts, a measured change, and a follow-up window |
| Contribution | Beyond what would have happened anyway | A stated counterfactual or comparison group |
| Risk | That impact differs from expectation | A typed risk register with likelihood and severity |
Read down the last column and the framework stops being five headings: each dimension is a field with an evidence rule and a rubric, collected the same way across every program. That is the Scoring Architecture — the Five Dimensions as a normalized data dictionary rather than a report outline.
A Five Dimensions assessment written once at diligence ages the moment the investment is made. Scoring against the framework continuously — as new stakeholder data arrives — means the How Much and the Risk scores reflect what is actually happening, not what was projected. That is the premise of the Loop, Sopact's method for continuous impact intelligence: collect clean at the source, analyze the moment data arrives, improve while you can still act.
The Loop is also what makes a dimension score defensible. Every rubric score traces back to the stakeholder response and the benchmark behind it, so when an LP questions a Contribution claim, it resolves to its source. That standard has its own chapter in traceability and transparency.
One method, three moves that never stop
Then the cycle runs again, a little sharper each period. Read the method: the Loop methodology →
The fastest way to operationalize the framework is to turn one dimension into a scoreable field. Each prompt below pastes into Sopact Sense's Assistant, or reasons through with your team; the arrow above each links the Academy walkthrough that shows the expected output and the tips.
Academy walkthrough → Turn the five dimensions into a dictionary
Turn the Five Dimensions of Impact into a scoreable data dictionary for this program: [PASTE PROGRAM / THEORY OF CHANGE]. For each dimension — What, Who, How Much, Contribution, Risk — give the field name, a one-sentence definition, the evidence it requires, the rubric levels 1-5, and the allowed values. Flag any dimension I cannot yet collect evidence for. Return a table.
Academy walkthrough → Choose the metric per dimension
For each of the Five Dimensions, propose the single best indicator to measure it for this program: [PASTE PROGRAM]. Write each as who is measured / what changes / by when, note whether an IRIS+ metric exists for it, and mark OUTPUT or OUTCOME. Return a table: Dimension / Indicator / IRIS+ ref / Output-Outcome.
Academy walkthrough → Make each dimension defensible
For each dimension score in this assessment, build a source row: the score, the stakeholder responses and benchmark behind it, the counterfactual used for Contribution, and the one-line calculation. If a source is missing, write MISSING SOURCE. Return a table: Dimension / Score / Source / Calculation. Assessment: [PASTE]
Academy walkthrough → Value the How Much
For the How Much dimension of this outcome, propose a defensible value: [PASTE OUTCOME + CONTEXT]. Give the proxy value with its source, a conservative and optimistic range, the deadweight and attribution adjustments that connect to the Contribution dimension, and the case where I should NOT monetize. Cite sources; do not invent them.
Each walkthrough is short and practical: what to do, the prompt to run, the output to expect, and the tips that keep it reliable.
The Five Dimensions of Impact — What, Who, How Much, Contribution, and Risk — are the Impact Management Project's framework for describing any impact completely: what outcome occurs and its importance, who experiences it and how underserved they are, how much happens, the contribution beyond business-as-usual, and the risk impact differs from expectation. Sopact operationalizes them as a Scoring Architecture, a scoreable data dictionary rather than five headings.
The Five Dimensions emerged from the Impact Management Project's practitioner consensus and are now maintained as part of the Impact Management Norms by Impact Frontiers. The norms provide shared logic for enterprises and investors to understand impact. Sopact does not replace the norms; its Scoring Architecture turns their evidence requirements into defined fields on one record.
Turn each dimension into a defined field with an evidence requirement and a 1-5 rubric, collect that evidence on one participant record, and normalize the rubric across every program so scores roll up. Naming the dimensions is not scoring against them. Sopact auto-drafts the Scoring Architecture from your theory of change, so each dimension becomes a defended score rather than a described one.
The Five Dimensions are the structure — the five questions any impact must answer; IRIS+ is the catalog of standardized metrics you can use to measure them. They are complementary: the dimensions decide what to ask, IRIS+ supplies defined indicators to answer with. Sopact binds IRIS+ metrics into the Scoring Architecture so each dimension is measured with a standard definition.
What needs a defined outcome and its stakeholder-rated importance; Who needs demographics and a cited underserved-ness benchmark; How Much needs scale, a measured change, and a follow-up window; Contribution needs a stated counterfactual or comparison group; Risk needs a typed register with likelihood and severity. Sopact captures each on one record so the dimension is scored, not asserted.
Map each dimension to the fields that evidence it, define each field once with allowed values and a rubric, and build the intake instrument from that dictionary so the evidence arrives scoreable. Sopact auto-drafts this Scoring Architecture from your own documents, so the framework you adopted becomes the survey you collect and the scorecard you report.
Yes. Foundations can use the Five Dimensions as a shared structure across grants and investments, provided they standardize only genuinely comparable definitions and preserve program-specific evidence. Sopact's Scoring Architecture keeps common portfolio fields and local context on the same record, while authorized reviewers retain responsibility for the rubric and final judgment.
For a workforce-training program, What can be sustained employment, Who can be unemployed young adults segmented by relevant characteristics, How Much can combine placement rate, income change, and 12-month retention, Contribution can compare results with a credible baseline, and Risk can record attrition, selection effects, or changing labor-market conditions. Sopact's Scoring Architecture keeps each answer with its evidence.
Data categories are the more granular information needed to understand impact across the five dimensions, including outcome level and importance, stakeholder characteristics, scale, depth, duration, counterfactual performance, and forms of impact risk. Indicators measure those categories; a data dictionary defines how to collect and interpret them. Sopact operationalizes that bridge through its Scoring Architecture.
For investors, yes: Impact Frontiers describes investor contribution as related to but distinct from enterprise contribution and says it becomes a sixth dimension for investors. Enterprise contribution asks whether the enterprise helped improve an outcome beyond what would otherwise occur; investor contribution asks whether the investor's own actions improved impact. Sopact keeps the two judgments separate in the Scoring Architecture.
Next: run the portfolio practice on the impact measurement and management page, or evaluate the evidence workflow on the due diligence software page.
