Environmental, Social and Governance (ESG) - Principles and Practice · Integrated Reporting Framework, Global Reporting Initiative Framework and Business Responsibility and Sustainability Reporting

GRI Standards Structure: Universal, Sector and Topic Standards

Updated 11 October 2026 · Fact-checked

The GRI Standards are a modular set of global sustainability reporting standards with three series. Universal Standards (GRI 1, 2, 3) apply to every organisation. Sector Standards cover high-impact industries. Topic Standards (GRI 200 economic, 300 environmental, 400 social) hold the specific disclosures. You report using the topics you find material.

Understand Global Reporting Initiative (GRI) Standards Structure

The Global Reporting Initiative (GRI) is an international body that issues standards for reporting an organisation's impact on the economy, environment and people. Its focus is impact materiality: how your activities affect the world, not only how the world affects your finances. This is why GRI suits many stakeholders, not just investors.

The Standards are modular. You do not read one long document. You pick the parts you need. There are three series: Universal, Sector and Topic. Think of it as a toolkit with a rulebook, an industry guide and a list of subject-wise disclosures.

The Universal Standards apply to all organisations. GRI 1: Foundation explains the purpose of the Standards, the key concepts, the reporting principles and the requirements for claiming that you report "in accordance with" the Standards. GRI 2: General Disclosures covers the organisation's profile: its activities, workers, governance, strategy, policies, practices and stakeholder engagement. GRI 3: Material Topics guides you to find your material topics, list them and explain how you manage each one.

Sector Standards apply to a specific industry, such as oil and gas or coal. They list the likely material topics for that sector, based on the most significant impacts of organisations in it. An organisation in a sector with a Sector Standard must use it. It still reports on each topic that is material to it.

Topic Standards hold the disclosures on specific subjects. They are numbered in series: the 200 series for economic topics, the 300 series for environmental topics and the 400 series for social topics. Examples are GRI 201 Economic Performance, GRI 302 Energy, GRI 305 Emissions and GRI 403 Occupational Health and Safety. You use only the Topic Standards for your material topics.

Key rules to remember

Structure of the GRI Standards: GRI Standards = Universal (GRI 1, 2, 3) + Sector Standards + Topic Standards (200, 300, 400 series); Universal applies to all. Sector applies by industry. Topic applies by material topic.
GRI 1: Foundation: GRI 1 = purpose, key concepts, reporting principles, requirements for reporting in accordance with the Standards; The rulebook. It is not a list of performance disclosures.
GRI 2: General Disclosures: GRI 2 = organisational details, activities and workers, governance, strategy, policies, practices, stakeholder engagement; Reported by every organisation.
GRI 3: Material Topics: GRI 3 = process to determine material topics + list of material topics + how each is managed; Links the Universal Standards to the Topic Standards.
Topic Standard numbering: 200 = economic; 300 = environmental; 400 = social; Example: GRI 305 is Emissions, an environmental topic.
Two ways to report: In accordance with the Standards (full requirements) or With reference to the Standards (reduced requirements); Be ready to state the difference in a short answer.

How to solve Global Reporting Initiative (GRI) Standards Structure questions

Use this method for any question on the GRI Standards, whether it asks you to describe, classify or apply them.

1Name the GRI and its purpose in one line: reporting impacts on the economy, environment and people.
2State that the Standards are modular and have three parts: Universal, Sector and Topic.
3Explain each Universal Standard briefly: GRI 1 foundation and principles, GRI 2 general disclosures, GRI 3 material topics.
4Explain Sector Standards: industry-specific, they list likely material topics for high-impact sectors.
5Explain Topic Standards with the 200, 300 and 400 series and give one example from each.
6Apply the facts: if the question gives a company, identify its sector, its material topics and the matching Topic Standards.
7Close with the conclusion: how the organisation would report, and whether it is in accordance with or with reference to the Standards.

Quickest way: The U-S-T shortcut

When to use it: Use this for 5-mark short notes or when you have under ten minutes for the answer.

Write U-S-T: Universal, Sector, Topic.
Under U, write one line each for GRI 1, GRI 2 and GRI 3.
Under S, write one line: industry-specific, lists likely material topics.
Under T, write 200 economic, 300 environmental, 400 social, each with one example.
End with one line: material topics decide which Topic Standards you use.

Common mistakes in Global Reporting Initiative (GRI) Standards Structure

Saying the Universal Standards are only for large companies or only for some sectors.
Students mix up Universal with Sector Standards.
Fix: Universal means all organisations. Sector is the one that depends on industry.
Putting the list of material topics under GRI 2.
Both standards sound like they deal with general information.
Fix: GRI 2 is the organisation's general profile and governance. GRI 3 deals with material topics. Link GRI 3 to the Topic Standards.
Mixing up the series numbers, for example calling the 300 series social.
Students memorise the numbers without a pattern.
Fix: Remember 2-3-4 as Economic, Environmental, Social in order, the same as E-E-S.
Saying a company must report on every Topic Standard.
Students forget the modular design.
Fix: Only report on the Topic Standards for your material topics. State the reason if you omit a topic.
Treating GRI as an investor-focused financial framework.
It gets confused with other frameworks that focus on enterprise value.
Fix: GRI centres on impact on the economy, environment and people, for a wide group of stakeholders.
Not applying the facts in a case question.
Students write a theory answer and stop.
Fix: Name the company's sector, pick the likely material topics, map them to the right series and conclude.

Worked examples

Example 1

Explain the structure of the GRI Standards. Describe the role of each Universal Standard.

Show the solution

Start with the GRI and its purpose: it sets global standards for reporting impacts on the economy, environment and people.
State that the Standards are modular, in three series: Universal, Sector and Topic.
GRI 1: Foundation sets out the purpose, key concepts, reporting principles and requirements for reporting in accordance with the Standards. You read it first.
GRI 2: General Disclosures requires details on the organisation, its activities, workers, governance, strategy, policies and stakeholder engagement.
GRI 3: Material Topics guides the process of finding material topics and requires a list of them and how each is managed.
Add that Sector Standards give industry-specific guidance and Topic Standards hold the specific disclosures.

Answer: The GRI Standards have three series: Universal (GRI 1, 2, 3), Sector and Topic. GRI 1 is the foundation and rulebook, GRI 2 gives general disclosures about the organisation, and GRI 3 deals with material topics. Sector Standards address industry impacts. Topic Standards hold the disclosures for each material topic.

Example 2

Sundaram Cement Ltd, an Indian manufacturer, has found that energy use, greenhouse gas emissions and worker safety are its material topics. Advise which parts of the GRI Standards it should use.

Show the solution

Provision: every organisation using the GRI Standards starts with the Universal Standards, GRI 1, 2 and 3.
Use GRI 1 to understand the principles and the requirements for reporting in accordance with the Standards.
Report GRI 2 general disclosures on its profile, governance and policies.
Apply GRI 3 to document how it found its material topics, list them and explain how it manages each one.
Sector: check if a GRI Sector Standard exists for its industry and use it if one applies.
Topic: energy is environmental, so use GRI 302 Energy. Emissions is environmental, so use GRI 305 Emissions. Worker safety is social, so use GRI 403 Occupational Health and Safety.
Conclusion: it reports only on these Topic Standards because they cover its material topics. It may report in accordance with the Standards if it meets all requirements.

Answer: Sundaram Cement should use GRI 1, 2 and 3, any applicable Sector Standard, and the Topic Standards GRI 302 (Energy), GRI 305 (Emissions) and GRI 403 (Occupational Health and Safety). It reports in accordance with the Standards if it meets all requirements.

Exam tips

Draw a small tree in your answer: GRI Standards splitting into Universal, Sector and Topic. It earns presentation marks and saves words.
In case questions, always map each material topic to its series (200, 300 or 400) and name one Topic Standard.
Write the GRI 1, 2, 3 titles exactly: Foundation, General Disclosures, Material Topics.
Keep the difference between GRI structure and GRI principles separate. Principles and materiality are a different topic, so link to them but do not mix them.

Practice questions from Integrated Reporting Framework, Global Reporting Initiative Framework and Business Responsibility and Sustainability Reporting

Global Reporting Initiative (GRI) Standards Structure: frequently asked questions

What are the GRI Standards in sustainability reporting?

They are globally used standards that help organisations report their impacts on the economy, environment and people. They are modular, with Universal, Sector and Topic Standards. You choose the parts that fit your organisation and material topics.

What is the difference between GRI 1, GRI 2 and GRI 3?

GRI 1 is the foundation: purpose, concepts and reporting principles. GRI 2 covers general disclosures about the organisation. GRI 3 guides you to find and report material topics.

What do the 200, 300 and 400 series mean?

They are Topic Standards. The 200 series covers economic topics, the 300 series environmental topics and the 400 series social topics. Use only those linked to your material topics.

Is it mandatory to use a Sector Standard?

If a Sector Standard exists for your industry, you should use it to identify likely material topics. You still report only on topics that are material to you and explain any that you omit.