# United States Population, midperiod

United States Population, midperiod was up 0.2% year on year in September 2026, compared with 0.2% in August 2026.
The level stood at 343,105 thousands.
That is the lowest reading since September 2021.
Over the past ten years it has ranged from 0.1% (Apr 2021) to 1.0% (Jun 2024), averaging 0.6%.

- Source agency: U.S. Bureau of Economic Analysis
- Makrognosis code: `US.POP.M.NSA`
- Frequency: monthly
- Units: thousands
- Coverage: 1996-01-01 to 2026-09-01 (369 observations)
- Page: https://makrognosis.robomacro.com/data/united-states/population-midperiod

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 343,105 thousands | 0.2 |
| August 2026 | 343,008 thousands | 0.2 |
| July 2026 | 342,909 thousands | 0.2 |
| June 2026 | 342,822 thousands | 0.3 |
| May 2026 | 342,746 thousands | 0.3 |
| April 2026 | 342,680 thousands | 0.3 |
| March 2026 | 342,627 thousands | 0.3 |
| February 2026 | 342,581 thousands | 0.4 |
| January 2026 | 342,540 thousands | 0.4 |
| December 2025 | 342,495 thousands | 0.4 |
| November 2025 | 342,439 thousands | 0.4 |
| October 2025 | 342,366 thousands | 0.4 |
| September 2025 | 342,277 thousands | 0.5 |
| August 2025 | 342,178 thousands | 0.5 |
| July 2025 | 342,076 thousands | 0.5 |
| June 2025 | 341,945 thousands | 0.5 |
| May 2025 | 341,784 thousands | 0.6 |
| April 2025 | 341,632 thousands | 0.6 |
| March 2025 | 341,496 thousands | 0.7 |
| February 2025 | 341,378 thousands | 0.7 |
| January 2025 | 341,268 thousands | 0.7 |
| December 2024 | 341,149 thousands | 0.8 |
| November 2024 | 341,011 thousands | 0.8 |
| October 2024 | 340,855 thousands | 0.8 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US.POP.M.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US.POP.M.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```