The Iran war has cost US$43.6 billion as of this month, the highest official estimate to date, the Pentagon told Congress’ defence oversight panels this week. The financial cost is just one measure of the impact of the Iran war, which also is affecting oil prices and the stock market and has led to deaths and injuries of American troops. Key points and original sources are listed below.

• The Iran war has cost US$43.6 billion as of this month, the highest official estimate to date, the Pentagon told Congress’ defence oversight panels this week. The cost estimate comes as polls show Americans increasingly oppose the war, partly over its impact o...S1

• The financial cost is just one measure of the impact of the Iran war, which also is affecting oil prices and the stock market and has led to deaths and injuries of American troops.S2