The Index Industry Is More Than Just a Sum of its Parts

The Index Industry Association (IIA) is the first-ever trade association for the index industry globally. 

What We Do


Educate investors on the attributes and role of indexes within the investment process


Advocate for the interests of index users and providers worldwide,


Push for industry standards of best practice, independence and transparency.

2022 ESG Survey Results (8)

Featured Research

Tried and Tested: ESG Investing is Here to Stay

Despite recent global economic uncertainty and geopolitical turbulence, asset managers reported strong growth in ESG investment over the past year across asset classes and believe it will continue well into the future.

Meet Our Members

New to Indexes?

Check out our new series , Indexes 101, to learn the importance of Indexes and how they help investors, businesses and markets.

Latest News

Sixth Annual Index Industry Association Benchmark Survey Reveals Continuing Record Breaking ESG Growth, Multi-Asset Expansion by Index Providers Globally

The number of ESG indexes grew 55% and surpassed 50,000 worldwide across asset classes for the first…

IIA’s Second Annual ESG Report of Asset Managers Sees Strong Growth

Asset managers expect nearly two-thirds of investment portfolios to contain ESG elements within a decade  In one…

Fifth Annual Benchmark Survey Shows Record Growth in Number of ESG Indices, Alongside Broadening of Fixed Income Indices

A 43% increase in the number of indices measuring environmental, social and governance (ESG) criteria in the…

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