Jiachuan Wu
Senior Interactive Journalist
I am an award-winning journalist who tells stories with charts, maps and graphics on the NBC News Data Graphics team. I produce data-driven visuals, interactives and experimental journalism that breaks free of text-based formats.
Do you have a news tip you want to share with our journalists? Visit NBC News Tips to learn more.
I am an award-winning journalist who tells stories with charts, maps and graphics on the NBC News Data Graphics team. I produce data-driven visuals, interactives and experimental journalism that breaks free of text-based formats.
Do you have a news tip you want to share with our journalists? Visit NBC News Tips to learn more.
Latest from Jiachuan Wu
How hard is it to buy a home right now? The NBC News Home Buyer Index measures the market
Last updated March 27. Learn more about homebuying difficulty in most U.S. counties based on factors such as affordability, available homes, homebuying competition and economic stability.
Where Trump's tariffs will hit your grocery list, from avocados to frozen fish
President Donald Trump’s suspended tariffs on many goods from Canada and Mexico are set to take hold April 2, with more import taxes on other products and countries coming soon.
Understanding Trump's tariffs, in five charts
Learn more about how Trump's proposed tariffs against Mexico, China and Canada could impact trade, shipping, imports, prices and more.
As Trump aims to ax the penny, these are the coins that cost more than they're worth
Data from the U.S. Treasury shows that it costs nearly 4 cents to produce a single penny and nearly 14 cents to produce a nickel.
Trump detests the U.S. trade deficit. Here's what it means.
President Donald Trump has repeatedly criticized the nation’s trade deficit, which the Commerce Department reported Wednesday reached a new record high.
The deadly midair crash over D.C. area in charts and maps
What aircraft data shows about the deadly 2025 in-flight crash over the Potomac River in Washington, D.C.
Trump’s tariff threats, in five charts
Five charts on government data that show what the federal government has made in tariffs and would need to make to accomplish Trump’s tax plans.
Maps: See how large the California wildfires are
Multiple major wildfires, including the Palisades Fire and Eaton Fire, are leaving a trail of destruction and death in the Los Angeles area.
'Entirely foreseeable': The L.A. fires are the worst-case scenario experts feared
The Los Angeles area fires represent a worst-case scenario. But fire experts, past reports and risk assessments had all anticipated a wildfire catastrophe to some degree.
Maps: See how large the California wildfires are
See how large the wildfires have become. The Palisades Fire is half the land size of Washington, D.C.
A vanishingly small number of violent sex crimes end in conviction, NBC News investigation shows
Data from eight major cities shows that fewer than 4% of sex crimes result in convictions.
