Finnishjuhana vartiainen is on Twitter (X) as @filsdeproust, with 73,397 followers and 51,648 posts. A typical post draws 175 interactions, an engagement rate of 0.238% per follower. It has been on X since December 2010, an account age of 15 years.
Engagement
A typical post picks up 175 interactions against 73K followers, an engagement rate of 0.238%. Measured over 12 original posts, its engagement rate beats 63% of 21,625 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 19K times each, and 0.93% of those impressions turn into an interaction. That is about 25.6% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 12 original posts from a 30-day window, last computed on October 27, 2026. Recurring tags: #17octobre, #lagrandeconfrontation.
Full engagement reportFollower growth
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Bio
Economist, Swedish&Finnish citizen, Helsinki (Former Mayor). From August 2025, Professor of Practice and teacher of Economics at Hanken School of Economics.
Notable followers
The biggest accounts in our directory following @filsdeproust.
juhana vartiainen on Twitter (X) - frequently asked questions
- What is the Twitter handle for juhana vartiainen?
- juhana vartiainen posts on Twitter (X) as @filsdeproust. The profile is at x.com/filsdeproust, and the View on X button at the top of this page opens it.
- How many followers does juhana vartiainen have on Twitter?
- juhana vartiainen (@filsdeproust) has 73,397 followers on Twitter (X). The count is refreshed continuously from public data.
- When did juhana vartiainen join Twitter?
- juhana vartiainen joined Twitter (X) in December 2010. The @filsdeproust account is 15 years old. Searches for juhana vartiainen age often mean a personal age, which we do not publish. The figure here is the account age only.