The Syntec Index for December 2024 has been released

Want to decipher the law, understand finance, and stay informed about the news in of 2026?

Subscribe to the Juristique YouTube channel: every week, discover clear explanations, practical advice, and accessible legal analyses, brought to you by a recognized legal information website, based on the analysis of official texts, and regulatory monitoring. 👉

The revised Syntec index (base 100 in 1961) for December 2024 was published on January 31, 2025.

The value of the Syntec index for December 2024 is 314.8 to 310.1 in December 2023, an annual increase of + 1.52% over 12 months. It’s down -0.60% from the previous month (316.7 in November 2024).

Table of changes in the Syntec index for December 2024

 December 2024 Syntec IndexNovember 2024 Syntec IndexDecember 2023 Syntec Index
Syntec index value314.8316.7310.1
Change in % from the base Down 0.60%Up 1.52%
Syntec Index December 2024

The official source is Syntec Federation (not INSEE).

The value for December 2024 to be used for contracts signed before August 2022 (revised index corrected by the connection coefficient) is 308.4.

Our Syntec Index 2024 table has been updated here:

Revised Syntec Index corrected for the adjustment coefficient and monthly and annual percentage changes:

The Syntec index reflects the evolution of salary costs (mainly intellectual services) of companies in the professional branches of the Syntec Federation:

  • Syntec IT“,
  • Syntec Engineering“,
  • Syntec Group of Study and Consulting Unions“.

It is mainly used to update the financial clauses of engineering, contracted personnel, maintenance, and IT contracts. Its value is calculated each month based on a survey of representative companies.

Official Syntec Index
Publication on January 31, 2025, of the Syntec index for December 2024

The Ministry of Economics and Finance in France has recognized the Syntec index since November 11, 1974. It is updated and published every month, generally at the end of the month, with a one-month lag. The following index will be released around February 28, 2025: the Syntec January 2025 index.

For companies in the technology and services sector, the Syntec Index is an essential tool for maintaining fair contracts aligned with actual costs. It provides an objective basis for price reviews and helps protect against unforeseen cost variations.

Frequently Asked Questions (FAQ) on the Syntec Index of December 2024

Syntec Index History

Find all the values ​​of the Syntec index since 2014:

What’s your opinion on the evolution of the Syntec index?

Tell us in the comments. Thanks.

Photo of author

Pascal FROMAGER

With more than 25 years of experience navigating the financial, HR, and tax challenges businesses face, I bring a wealth of practical insight to every topic. As a former Chief Financial Officer (CFO) and a graduate of the University of Rennes, I established Juristique to share this expertise in business law. My commitment is to provide ongoing regulatory monitoring and to transform complex administrative publications into clear, precise, and practical resources for readers. All content is rooted in rigorous analysis of official texts and institutional sources, ensuring reliable and regularly updated information.
Published:

Leave a Comment

About

Practical pages and legal and administrative tools, such as an expense report template, a sample non-disclosure agreement (NDA), the main economic and banking indexes with Cnaps Codes or Swift Codes, and many letter templates, such as hotel room reservations and certificates, are available for download for free.
📌 About Us: Transparency & Legal Notice for Juristique®.

Social networks and contact

Most popular articles

How to pay the annual tax of a company in Delaware?

Model certificate of refusal of vaccination

Syntec 2025 Index

Template hotel room reservation letter