Syntec index for September 2021 published

The Syntec index (base 100 in 1961) for September 2021 was published on October 29, 2021.

The value of the Syntec index for September 2021 is 276.5 for 275.2 in September 2020, an annual increase of +0.47% over 12 sliding months. The September index is is unchanged from the previous month (276.5 in August 2021).

Table of changes in the Syntec index for September 2021


September 2021 Syntec Index

August 2021 Syntec Index

September 2020 Syntec Index

Syntec index value




Change in % from the base

No change

Up 0.47 %

Official source: Syntec Federation (not INSEE).

Our Syntec Index 2021 table has been updated here: Syntec Index 2021.

Official Syntec Index
Publication on October 29 of the Syntec index for September

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

  • Syntec Informatique“,
  • Syntec Ingénierie“,
  • Groupement Syntec des Syndicats d’Études et de Conseil“.

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.

The Ministry of the Economic and Finance in France has recognized the Syntec index since August 11, 1974.

Syntec index update

Latest Syntec index values:

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Specialist in finance and taxation from my professional activity and university formation, I share my knowledge and experience on the Juristique website. I regularly publish economic indexes such as SYNTEC index, BT01, ILAT, construction and rent reference indexes, and banking tools like SWIFT Codes or CNAPS Codes for international wire transfers.

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