As mentioned earlier, the world currently spends $2.7 trillion annually on infrastructure investments. However, it has been estimated that going forward, a staggering annual spend of $3.7 trillion is required in order to maintain and support global economic growth.9 Not surprisingly, the financing gap is significantly higher where infrastructure investments are needed the most: in emerging countries, where infrastructure spend is highly skewed towards public finances due to a mismatch between volume of investable assets and investor appetite, as previously discussed.