Twitter data corpus from, on the one hand, French-speaking Belgian political accounts and, on the other hand, a sample of accounts from the French-speaking Belgian population. The corpus is open (still being collected) since 2019. To date, it includes more than 38 million tweets. The political parties taken into account are 6 (political parties that have elected members in the federal parliament) and this represents 340 politicians. The sample representing the population includes 285,000 accounts.