It feels like there is a huge amount of money lost on inefficient markets and efforts. It's a feeling. But is it reality? That's a question for spreadsheets

It feels like there is a huge amount of money lost on inefficient markets and efforts. It's a feeling. But is it reality? That's a question for spreadsheets and numbers, not our feelings. Are there countries that are 25% more efficient in government spending than the US? If so, how do they do it?