biology

United States drug overdose death rates and totals over time

United States drug overdose death rates and totals over time is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand United States drug overdose death rates and totals over time rather than just read about it. In short: The United States Centers for Disease Control and Prevention (CDC) provides data on drug overdose death rates and totals in the United States. Around 70,000 people died in the 12-month period ending December 31, 2025, at a rate of 192 deaths per day.

Key takeaways

United States drug overdose death rates and totals over time belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect United States drug overdose death rates and totals over time to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of United States drug overdose death rates and totals over time from memory before moving on to harder problems.

Reference excerpt

The United States Centers for Disease Control and Prevention (CDC) provides data on drug overdose death rates and totals in the United States. Around 70,000 people died in the 12-month period ending December 31, 2025, at a rate of 192 deaths per day. That is 20.5 deaths per 100,000 US residents, using the population at the midpoint of that period (341,784,857 on July 1, 2025). The peak was around 110,900 in 2022. The U.S. drug overdose death rate has gone from 2.5 per 100,000 people in 1968 to the peak rate of 33.2 per 100,000 in 2022. From 1968 to 2020, approximately 1,106,900 U.S. residents died from drug overdoses, with the majority – around 932,400 – of those deaths occurring between 1999 and 2020.

Of the roughly 110,700 drug overdose deaths in 2021 (the total at the time that these numbers were calculated), opioids were involved in about 80,400, or nearly 73%, of cases, with synthetic opioids other than methadone (primarily fentanyl) involved in around 70,600, or nearly 64%, of all deaths. The CDC's "predicted value" is used for numbers for recent years in the above intro. CDC: "Predicted provisional counts represent estimates of the number of deaths adjusted for incomplete reporting (see Technical Notes)." And the above yearly numbers are updated regularly here as they change.

1968–2022

The numbers at the CDC source for the table below are continually updated. So the numbers in the table below may be slightly different. 2021 was a turning point in US history with over 100,000 deaths.

Rates below are per 100,000. Population is for July 1 residents. Rate (by itself) is age adjusted. Total (at bottom) is 1,106,859 total deaths for 1968–2020.

Death rates by state and year Asterisks (*) indicate Health in LOCATION or Healthcare in LOCATION links in table below. NSD: Not sufficient data. NR: Not reported, or not recorded.

Death counts by state over time Overall US totals by year from CDC, followed by breakdown by state by year.

Location links below are "Category:Health in LOCATION" links. See overall category.

For convenience, and as a geographic aid, the "Category:Health in STATE" links are also in this map. Click on any state.

Timeline by drug Concerning the data in the charts below (in this section and the following sections) deaths from the various drugs add up to more than the yearly overdose death total because multiple drugs are involved in many of the deaths.

Opioid charts

Opioids were involved in around 80,400 of the around 106,700 deaths in 2021. See map higher up for states with the highest overdose death rates.

Death rates by race and ethnicity

Rate timeline by sex

Comparisons to other countries

Below is the overdose or drug-related death rate per 1 million population (unadjusted), 2022, by country or region.

Comparisons to other countries in Europe

Rates per 100,000 adults Location links are "Healthcare in LOCATION" links.

Counts Location links are "Healthcare in LOCATION" links.

See also List of deaths from drug overdose and intoxication Adulterants Alcohol intoxication Diseases of despair Drug interactions Responsible drug use Suicide methods § Drug overdose

References

Illustrations

Worked examples

Example 1 — a first encounter with United States drug overdose death rates and totals over time

Start with the simplest possible case. Write down what United States drug overdose death rates and totals over time claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to United States drug overdose death rates and totals over time before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about United States drug overdose death rates and totals over time ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of United States drug overdose death rates and totals over time

In research: United States drug overdose death rates and totals over time appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses United States drug overdose death rates and totals over time in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: United States drug overdose death rates and totals over time is common in secondary-school and first-year university syllabi. It links to neighbouring topics Drug culture, Drug overdose, Medical emergencies, so understanding it makes those chapters shorter.
In everyday life: Look for United States drug overdose death rates and totals over time outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study United States drug overdose death rates and totals over time in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what United States drug overdose death rates and totals over time means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain United States drug overdose death rates and totals over time out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is United States drug overdose death rates and totals over time in simple terms?

Why does United States drug overdose death rates and totals over time matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study United States drug overdose death rates and totals over time?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on United States drug overdose death rates and totals over time.