As the NATO alliance prepares to gather this summer to celebrate its 75th birthday, rhetoric around “burden sharing” – specifically whether member countries are paying enough, where “enough” is typically defined as military spending equal to 2% of GDP – is likely to heat up. With a war raging just off NATO’s eastern flank as Ukraine defends itself against an aggressor that has become NATO’s raison d’etre, it’s a fair question: Are NATO member countries doing enough?
