Border Security: Australia's Front Line is a U.S. television program broadcast on Nat Geo since Wednesday, April 23, 2025. Border Security: Australia is currently the second most popular show on Nat Geo and 264th overall on TV, watched by a total number of 202,000 people (0.06% rating, up +19% from April 30) as of the daily audience measurement on .
Demographic breakdown of the most recent historical ratings of Border Security: Australia's Front Line on Nat Geo as of Wednesday, May 14, 2025.
| Border Security: Australia Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2025-May-14 | HH | 138,500 | 0.11 |
| P2+ | 202,000 | 0.06 | |
| P18-49 | 40,500 | 0.03 | |
| P25-54 | 49,000 | 0.04 | |
| 2025-Apr-30 1503: BLACK MARKET BOXES 1504: CANNED CONTRABAND | HH | 151,000 | 0.12 |
| P2+ | 170,000 | 0.05 | |
| P18-49 | 21,000 | 0.02 | |
| P25-54 | 35,000 | 0.03 | |
| 2025-Apr-23 1501: SUITCASE OF SECRETS (P) | HH | 163,500 | 0.13 |
| P2+ | 201,000 | 0.06 | |
| P18-49 | 25,000 | 0.02 | |
| P25-54 | 45,000 | 0.04 | |
| Rank | Program | Audience | Change |
|---|---|---|---|
| 1 | Port Protection Alaska | 324,000 | +11% |
| 2 | Border Security: Australia | 202,000 | +19% |
| 3 | Genghis Khan: Secret History of the Mongols | 181,000 | -3% |
| 4 | Life or Death: The Negotiators | 68,000 | -9% |