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Dataset · Growth Lab at Harvard University

Complexity Outlook Index

30 years, 1995–2024 · 145 countries

The Complexity Outlook Index, from Harvard's Growth Lab, measures how many complex products lie close to what a country already exports — close meaning they draw on similar know-how. A high reading means plenty of nearby opportunities to move into more sophisticated goods; a low one means few.

This site holds every year from 1995 to 2024, read from Growth Lab at Harvard University’s own data and stored exactly as published.

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Complexity Outlook Index · the file

Newest
Complexity Outlook Index, 2024
Held
30 years · 4,319 rows
Licence
Public domain or CC0

0130 years

Every year

Every year comes from Growth Lab at Harvard University’s 2026 release, recalculated on one method. Each opens the full table for that year; each downloads as a CSV.

1995bar height: countries covered, up to 1452024
Every year of Complexity Outlook Index held on this site, newest first, with its download files.
YearCountriesChangeReadDownload
Complexity Outlook Index, 2024Newest145±0October 3, 2026CSV
Complexity Outlook Index, 2023145±0October 3, 2026CSV
Complexity Outlook Index, 2022145±0October 3, 2026CSV
Complexity Outlook Index, 2021145±0October 3, 2026CSV
Complexity Outlook Index, 2020145±0October 3, 2026CSV
Complexity Outlook Index, 2019145±0October 3, 2026CSV
Complexity Outlook Index, 2018145±0October 3, 2026CSV
Complexity Outlook Index, 2017145±0October 3, 2026CSV
Complexity Outlook Index, 2016145±0October 3, 2026CSV
Complexity Outlook Index, 2015145±0October 3, 2026CSV
Complexity Outlook Index, 2014145±0October 3, 2026CSV
Complexity Outlook Index, 2013145±0October 3, 2026CSV
Show all 30 years
YearCountriesChangeReadDownload
Complexity Outlook Index, 2012145±0October 3, 2026CSV
Complexity Outlook Index, 2011145±0October 3, 2026CSV
Complexity Outlook Index, 2010145±0October 3, 2026CSV
Complexity Outlook Index, 2009145±0October 3, 2026CSV
Complexity Outlook Index, 2008145±0October 3, 2026CSV
Complexity Outlook Index, 2007145±0October 3, 2026CSV
Complexity Outlook Index, 2006145+1October 3, 2026CSV
Complexity Outlook Index, 2005144±0October 3, 2026CSV
Complexity Outlook Index, 2004144±0October 3, 2026CSV
Complexity Outlook Index, 2003144±0October 3, 2026CSV
Complexity Outlook Index, 2002144±0October 3, 2026CSV
Complexity Outlook Index, 2001144±0October 3, 2026CSV
Complexity Outlook Index, 2000144+4October 3, 2026CSV
Complexity Outlook Index, 1999140±0October 3, 2026CSV
Complexity Outlook Index, 1998140±0October 3, 2026CSV
Complexity Outlook Index, 1997140±0October 3, 2026CSV
Complexity Outlook Index, 1996140±0October 3, 2026CSV
Complexity Outlook Index, 1995140—October 3, 2026CSV

Every year in one file, one row per country per year: complexity-outlook-all-editions-nations-inquiry.csv

023 columns

What’s in the file

Every column, what it holds, how it is stored and what its values look like — what a reader needs before opening the file.

Every column in the newest file of Complexity Outlook Index: what it holds, how it is stored, and its range.
ColumnWhat it holdsStored asRange, 2024DistinctEmptySpread
CountrycountryNameThe country’s name, as this file spells it.Text—1450
ISO Codecountry_codeIdentifierThe ISO 3166-1 alpha-3 code, added by this site. Every table here joins on it.Text · 3 letters—1450
Complexity Outlook IndexcoiHeadlineThe headline figure: Complexity Outlook Index (standardised; roughly −2.5 to +3).Number · up to 3 decimals-1.682Germany2.878Indiamiddle -0.2251430

Profiled from the newest file. Range: the lowest and highest value, with the country holding it when only one does. Spread: countries in ten equal steps from lowest to highest. Neither end is better. The values describe a shape, not a score.

03145 countries across every year

Who is covered

How many countries each year holds, continent by continent, who joined and who left, and which places this site covers that the dataset never has.

All regions
Countries in each year of Complexity Outlook Index, by continent.
201320142015201620172018201920202021202220232024
Africa404040404040404040404040
Americas242424242424242424242424
Asia434343434343434343434343
Europe353535353535353535353535
Oceania333333333333
All145145145145145145145145145145145145

The newest 12 of 30 years.

Who joined and who left

  • 2006
    + Serbia
  • 2000
    + Botswana+ Namibia+ Eswatini+ South Africa

04Provenance

Where it comes from

The path from the publisher to this page, and what was checked and changed on the way.

The site’s method
  1. 1 · Publisher

    Growth Lab at Harvard University

  2. 2 · Their file

    Complexity Outlook Index 2024

  3. 3 · Read by this site

    October 3, 2026

    Imported by a script that parses each figure and writes it down unrounded.
  4. 4 · Stored as

    30 files, one per year

    Each downloads as a CSV, or every year together as complexity-outlook-all-editions-nations-inquiry.csv
  5. 5 · Used on

    Its statistic page, and every profile it measures

Precision

The headline is stored to 3 decimals, as published.

Rounded by this site

Never. Tables on screen may show fewer decimals; the files never do.

Changed by this site

Reshaped into one row per country: regional and income-group totals are left out, only the columns listed are kept, each row gets its ISO 3166 code, and some country names are brought to one spelling. No value is recalculated, rescaled or rounded.

The Growth Lab's International Trade Data (HS, 92) deposit on Harvard Dataverse, dedicated to the public domain. Only the economies the Growth Lab admits to its own rankings in each year are shown — those that meet its thresholds for trade volume, population and data quality.

05Reuse

Licence and credit

What the publisher’s licence lets you do, what it asks of you, and a credit line and citation ready to copy.

Every publisher’s terms

Licence · checked October 3, 2026

CC0 1.0

  • Share and redistribute it
  • Adapt it and build on it
  • Use it commercially

No conditions at all. Crediting the publisher is still the courteous thing to do.

A credit line

Source: Growth Lab at Harvard University, Complexity Outlook Index, via Nations Inquiry.

Cite this dataset

Growth Lab at Harvard University. Complexity Outlook Index, 1995–2024 [data set]. As held by Nations Inquiry, https://nationsinquiry.com/datasets/complexity-outlook

The publisher’s own citation: The Growth Lab at Harvard University. International Trade Data (HS, 92), doi:10.7910/DVN/T4CHWJ, Harvard Dataverse.

Plain-language summary, not legal advice. The licence text is what binds.

06Where it is used

Around the site

Where these numbers appear on this site, and the datasets nearest to it.

07Questions

Complexity Outlook Index: questions and answers

What is the Complexity Outlook Index?

The Complexity Outlook Index, from Harvard's Growth Lab, measures how many complex products lie close to what a country already exports — close meaning they draw on similar know-how. A high reading means plenty of nearby opportunities to move into more sophisticated goods; a low one means few.

Which years of the Complexity Outlook Index can I download?

All 30, from 1995 to 2024, each as a CSV file, or every year together in one CSV.

Does Growth Lab at Harvard University rank countries on it?

No, and this site does not order it either. The files hold values only.

Can I use it commercially?

Yes, under CC0 1.0, with credit to Growth Lab at Harvard University. The licence text is linked on this page.

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