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.
Student visa terminations have quickly hit over half of all states. What's behind it.
Students from California to Ohio to North Carolina are losing their visas with no explanation, being taken off the street by plainclothes officers and finding themselves subject to accusations reserved for terrorists.
U.S. deportation tracker: Counting arrests, detentions and border crossings
President Donald Trump came into office promising the largest mass deportation in U.S history, targeting the more than 10 million unauthorized migrants living in the United States.
What Trump and his administration have said about the tariffs policy currently roiling global markets
President Donald Trump has proposed sweeping tariffs targeting U.S. trading partners, including a 10% across-the-board baseline tariff that went into effect Saturday.
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 having one means
At the core of President Donald Trump's decision to impose sweeping tariffs on U.S. trading partners is a fixation on closing, if not reversing, America's trade deficit with nearly all of them.
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.
