In the first half of 2025, the U.S. dollar lost 11% of its value against a basket of international currencies—its steepest drop since 1973. This decline is already being felt by travelers facing higher costs abroad and by consumers paying more for imported goods, even before factoring in tariffs. It also marks a sharp reversal of a long-term trend: from 2010 through 2024, the dollar appreciated nearly 40%. Many analysts worry this could be just the beginning. Although the dollar saw a modest rebound in July and August, the outlook remains uncertain.
The U.S. dollar is a free-floating currency—its value isn’t tied to gold, oil, or any other asset. Instead, it fluctuates based on supply and demand in global markets. One of the key drivers of that demand is interest rates. When U.S. rates are higher than those in other developed countries, the dollar becomes more attractive to investors. But when rates fall, demand weakens, putting downward pressure on the dollar. Currently, markets expect interest rates to drop, partly due to pressure from President Trump. If rates fall as anticipated, the dollar could lose more ground.
Investors are also watching economic growth closely. The U.S. economy expanded by 2.8% in 2024, but growth is projected to slow to 1.5% in 2025 and potentially down to just 1% in 2026. A weaker economy increases the likelihood that the Federal Reserve will cut rates further—from the current 5.25% potentially below 3%—which would likely weaken the dollar even more.
Interestingly, persistent inflation might actually help the dollar. If inflation remains high, the Fed may be forced to keep interest rates elevated to combat it. That could offer some support for the dollar’s value by maintaining investor demand.
Not everyone sees a falling dollar as bad news. A weaker dollar makes U.S. exports more competitive abroad, which could be a boost for American manufacturers and exporters. “Made in America” products become more attractive when priced in foreign currencies, helping to narrow the trade deficit.