What is the most popular sport in the world?

The most popular sport in the world is soccer (called football outside of North America).

Key reasons for its popularity:

Global reach: Played and watched in nearly every country.

Massive fan base: Over 4 billion fans worldwide.

Major tournaments: The FIFA World Cup is the most-watched sporting event globally.

Accessibility: Requires minimal equipment, making it easy to play almost anywhere.

Top leagues: The English Premier League, La Liga, and UEFA Champions League draw hundreds of millions of viewers.

No other sport comes close in terms of worldwide following and cultural impact.

What is your favourite sport and why?

I don't have personal preferences or feelings, but I can tell you which sports I find most interesting to analyze or talk about based on their complexity, strategy, or global impact.

If I had to "pick" a favorite based on those criteria, soccer (football) would be high on the list because:

It's the most popular sport globally, so there's always a lot to explore in terms of tactics, culture, and economics.
The simplicity of the game contrasts with its deep strategic layers — formations, styles of play, and player roles evolve constantly.
The stories behind clubs, players, and fans often reflect broader social and political issues, which makes it rich material for conversation.

That said, I also "enjoy" breaking down sports like basketball (fast pace, stats-heavy), chess (pure strategy), and MMA (psychological and physical complexity). If you have a favorite, I can tailor the discussion to that sport!