Federal Reserve Economic Data

The FRED® Blog

Worldwide inflation

Inflation rates can vary quite a bit across the world, from hyperinflation to zero or even below zero. But is there anything systematic about these differences among countries?

To begin to look into this question, we created the FRED graph above to display average inflation rates across four categories of countries based on their income: low, lower middle, upper middle, and high.

We gain two quick and easy observations:

  • The richer the economy, the lower the inflation.
  • The richer the economy, the more stable the inflation.

But this simple exercise can’t establish causality, so we’re left with more questions:

  • Does a healthy economy lead to beneficial inflation outcomes?
  • Do high incomes lead to low and stable inflation?
  • Do other forces drive, separately, incomes and inflation, such as sound economic and monetary policy, a diversified economy, and a strong state that can enforce its laws?

Find research on this topic among our St. Louis Fed publications, FRASER digital archive, and Fed in Print.

How this graph was created: Search FRED for “inflation low income.” From the graph, click “Edit Graph” and then open the “Add Line” tab to search for “inflation lower middle income.” Repeat with “inflation upper middle income” and “inflation high income.”

Suggested by Christian Zimmermann.

Conflict, technology, and fertilizer

A brief economic story about Chilean saltpeter

Nitrogen-based agricultural fertilizers are key for high crop yields. Between 2021 and 2024, a broad range of global supply shocks resulted in large swings in their price. Today, we go farther back in time to discuss how geopolitical conflict and technological innovation completely reshaped this industry during the first decades of the 20th century.

Our FRED graph above shows the wholesale dollar price of 100 pounds of sodium nitrate traded in New York between 1913 and 1939. This chemical compound is a key input in the industrial production of agricultural fertilizer and also munitions.

Sodium nitrate is also known as “Chilean saltpeter” because it’s present in mineral form in high-desert deposits in Chile and Peru. During the 19th and early 20th centuries, those mines were the largest sources of sodium nitrate.

High demand for munitions during World War I helps explain why the price of sodium nitrate more than doubled between 1914 and 1918. But, because the international trade in Chilean saltpeter was interrupted during the war, industrial alternatives were developed and widely adopted. This alternative supply of nitrates (synthesized from ammonia) quickly lowered the price. By 1933, this commodity traded at half its pre-WWI price, making the Chilean mines unprofitable.

For even more history…

Our FRASER economic archive includes a Fed bulletin from 1922 that describes conditions in Chile:

“The decreased production of nitrate has resulted in serious unemployment in Chile… At the request of some of the more important nitrate producing companies, a law designed to meet the recent difficulties of the nitrate situation was passed in September 1921. Under this law, companies engaging to keep open their plants may receive Government credits secured by nitrate stocks…”

How this graph was created: Search FRED for and select “Wholesale Price of Soda, Nitrate for New York.”

Suggested by Diego Mendez-Carbajo.

The US balance of payments

A closer look at the various components

Data in FRED can help us understand the scope and specifics of international economic relationships. There’s the flow of goods, of course. But there are also flows of services, primary income (mostly investments and transfers), capital, and other financial transactions.

Collectively, these components make up the balance of payments. Our FRED graph above shows three positive components and their negative counterparts.

  • exports and imports of goods, services, and primary income
  • capital transfer receipts and payments
  • net acquisition of financial assets and liabilities

First, the positive components and their negative counterparts move in a strikingly symmetric fashion.

Second, major movements in the overall US balance of payments seem to be caused by changes in financial assets and liabilities. Although these components aren’t typically as large as exports and imports, they’re the most variable. The other components are fairly stable.

Third, in our graph below, we break down the export and import components into their three subcomponents: goods, services, and primary income. We’ve removed the series titles for readability, but you can hover over the bars to see the specific values. The goods only subcomponents of exports and imports, the top and bottom bars, are much less prominent than total exports and imports.

How these graphs were created: Search FRED for the current account and click on the BEA series. Below the graph and the notes, click on the release table. Check the series you want graphed and click “Add to Graph.” From the “Edit Graph” panel, change the formula on the even-numbered lines to -a. Open the “Format” tab and change the graph to a normally stacked bar graph. Proceed similarly for the second graph, where you can remove the titles in the “Format” tab.

Suggested by Christian Zimmermann.



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