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United States Population by Year

In 2024, the population of United States was 340.11 million, a 0.98% increase year-by-year from 2023. Previously, in 2023, United States's population was 336.81 million, an increase of 0.83% compared to a population of 334.02 million in 2022.
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By Neilsberg Research
Updated Feb 28, 2025

United States population between 2000 and 2024

Over the last 20 plus years, between 2000 and 2024, population of United States increased by 57.95 million. In this period, the peak population was 340.11 million in the year 2024. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth.

Year Population Year on Year Change Change in Percent
2000 282,162,411 - -
2001 284,968,955 2,806,544 0.99%
2002 287,625,193 2,656,238 0.93%
2003 290,107,933 2,482,740 0.86%
2004 292,805,298 2,697,365 0.93%
2005 295,516,599 2,711,301 0.93%
2006 298,379,912 2,863,313 0.97%
2007 301,231,207 2,851,295 0.96%
2008 304,093,966 2,862,759 0.95%
2009 306,771,529 2,677,563 0.88%
2010 309,327,143 2,555,614 0.83%
2011 311,583,481 2,256,338 0.73%
2012 313,877,662 2,294,181 0.74%
2013 316,059,947 2,182,285 0.70%
2014 318,386,329 2,326,382 0.74%
2015 320,738,994 2,352,665 0.74%
2016 323,071,755 2,332,761 0.73%
2017 325,122,128 2,050,373 0.63%
2018 326,838,199 1,716,071 0.53%
2019 328,329,953 1,491,754 0.46%
2020 331,577,720 3,247,767 0.99%
2021 332,099,760 522,040 0.16%
2022 334,017,321 1,917,561 0.58%
2023 336,806,231 2,788,910 0.83%
2024 340,110,988 3,304,757 0.98%
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United States population from 2000 to 2024

From 2000 to 2010, United States's population increased by 27.16 million (9.63%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 9.63%.

From 2010 to 2020, United States's population increased by 22.25 million (7.19%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.19% .

After the COVID19 pandemic and, between the year 2020 and 2024, United States's population increased by 8.53 million (2.57%).For the same period, the rate of growth for the United States was 2.57%.

FIGURE 1

United States's population from 2000 to 2024.

The estimated population at the end of 2024 was 340.11 million.

2000200220042006200820102012201420162018202020222024280M285M290M295M300M305M310M315M320M325M330M335M340M345M
Source: U.S. Census Bureau (Population Estimates Program).
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Between the year 2000 and 2024, United States's population peaked in year 2024 at 340.11 million.

Between the year 2000 and 2024, United States's population was lowest in year 2000 at 282.16 million.

United States annual population growth rate

Between the years 2000 and 2024, i.e. 24 annual cycles, the population of United States grew year by year for 24 years and declined for 0 years.

From 2000 to 2024, United States had an average annual population growth rate of 0.86% per year. Overall the population grew 20.54% between 2000 and 2024.

FIGURE 2

United States annual population growth rate

The average annual growth rate from 2000 to 2024 was 0.86% per year.

20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320240500k1M1.5M2M2.5M3M3.5M4M
Source: U.S. Census Bureau (Population Estimates Program).
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From 2023 to 2024 United States population grew the most, with an increase of 3.3 million people (a 0.98% year-on-year increase)..

Between the years2000 and 2024, United States did not experience a population decline during any annual cycle.

Things to know

Is United States population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, United States's population increased by 6.09 million between 2022 and 2024. The increase was 2.79 million (increased) between 2022 and 2023; and increase of 3.3 million (0.98%) between 2023 and 2024.

How has the population of United States changed in the last 10 years?

Between 2014 and 2024, population of United States increased by 21.72 million (6.82%). The population was highest at 340.11 million in the year 2024 and lowest at 320.74 million in the year 2015. Overall the average growth rate witnessed for the last 10 years was 0.66%.

References

Datasets

Explore datasets by year of publication.
2025
United States Annual Population and Growth Analysis Dataset: A Comprehensive Overview of Population Changes and Yearly Growth Rates in United States from 2000 to 2024 // 2025 Edition
Last updated February 24, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the United States population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of United States across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2024, the population of United States was 340.11 million, a 0.98% increase year-by-year from 2023. Previously, in 2023, United States population was 336.81 million, an increase of 0.83% compared to a population of 334.02 million in 2022. Over the last 20 plus years, between 2000 and 2024, population of United States increased by 57.95 million. In this period, the peak population was 340.11 million in the year 2024. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

  • From 2000 to 2024

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2024)
  • Population: The population for the specific year for the United States is shown in this column.
  • Year on Year Change: This column displays the change in United States population for each year compared to the previous year.
  • Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for United States Population by Year. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

Explore related topics

United States Demographics United States Population

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Collection 5 Resources