Qatar will stick to its $US200 billion ($A262.40 billion) infrastructure spending splurge, the energy-rich Gulf state's premier has vowed, despite the fall in global oil prices.

Sheikh Abdullah bin Nasser bin Khalifa Al-Thani told business leaders at a Doha finance conference on Sunday that the kingdom would maintain its plans to spend heavily on development projects in the runup to the football World Cup in 2022. “We reiterate our commitment to investment infrastructure, health and education,”…