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 watched by a total number of 134,000 people (0.04% rating, up +58% from November 5) 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, December 3, 2025.
| Border Security: Australia Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2025-Dec-03 E-O+P-O | P2+ | 134,000 | 0.04 |
| 2025-Nov-05 | HH | 64,000 | 0.05 |
| P2+ | 85,000 | 0.03 | |
| P18-49 | 27,000 | 0.02 | |
| P25-54 | 25,000 | 0.02 | |
| 2025-Oct-29 | HH | 102,500 | 0.08 |
| P2+ | 115,000 | 0.04 | |
| P18-49 | 27,000 | 0.02 | |
| P25-54 | 25,000 | 0.02 | |
| 2025-Oct-22 | HH | 102,500 | 0.08 |
| P2+ | 172,000 | 0.05 | |
| P18-49 | 27,000 | 0.02 | |
| P25-54 | 63,000 | 0.05 | |
| 2025-Oct-01 | HH | 128,000 | 0.10 |
| P2+ | 138,000 | 0.04 | |
| P18-49 | 27,000 | 0.02 | |
| P25-54 | 37,500 | 0.03 | |
| 2025-Sep-24 | HH | 128,000 | 0.10 |
| P2+ | 176,000 | 0.06 | |
| P18-49 | 41,000 | 0.03 | |
| P25-54 | 37,500 | 0.03 | |
| 2025-Sep-17 1617: FALSE VISA 1618: MOTHER’S STORY | HH | 128,000 | 0.10 |
| P2+ | 144,000 | 0.05 | |
| P18-49 | 39,000 | 0.03 | |
| P25-54 | 47,000 | 0.04 | |
| 2025-Sep-10 1615: CARRY-ON ONLY | HH | 102,500 | 0.08 |
| P2+ | 131,000 | 0.04 | |
| P18-49 | 23,000 | 0.02 | |
| P25-54 | 45,000 | 0.04 | |
| 2025-Sep-05 1613: SWEET SEIZURE 1614: THE BIG HAUL | HH | 115,500 | 0.09 |
| P2+ | 152,000 | 0.05 | |
| P18-49 | 58,000 | 0.04 | |
| P25-54 | 48,000 | 0.04 | |
| 2025-Aug-22 1611: HIGH ALERT 1612: DEAL BREAKER | HH | 88,000 | 0.07 |
| P2+ | 140,000 | 0.04 | |
| P18-49 | 27,000 | 0.02 | |
| P25-54 | 23,000 | 0.02 | |
| 2025-Aug-15 1609: K9 CLUE 1610: LOVE SCAM | P2+ | 149,000 | 0.05 |
| P18-49 | 20,000 | 0.01 | |
| P25-54 | 31,000 | 0.03 | |
| 2025-Aug-08 1607: POWDER TROUBLE 1608: HERBAL HOAX | P2+ | 114,000 | 0.04 |
| P18-49 | 17,000 | 0.01 | |
| P25-54 | 26,000 | 0.02 | |
| 2025-Aug-01 1606: PAPER CHASE | P2+ | 181,000 | 0.06 |
| P18-49 | 18,000 | 0.01 | |
| P25-54 | 27,000 | 0.02 | |
| 2025-Jul-25 | HH | 88,000 | 0.07 |
| P2+ | 110,000 | 0.03 | |
| P18-49 | 40,500 | 0.03 | |
| P25-54 | 37,000 | 0.03 | |
| 2025-Jun-11 1516: HIDDEN MILLIONS | HH | 151,000 | 0.12 |
| P2+ | 256,000 | 0.08 | |
| P18-49 | 23,000 | 0.02 | |
| P25-54 | 54,000 | 0.04 | |
| 2025-Jun-04 1514: BOLT CUTTER BUST | P2+ | 193,000 | 0.06 |
| P18-49 | 21,000 | 0.02 | |
| P25-54 | 35,000 | 0.03 | |
| 2025-May-28 1512: BUSINESS OR HOLIDAY | P2+ | 156,000 | 0.05 |
| P18-49 | 17,000 | 0.01 | |
| P25-54 | 19,000 | 0.02 | |
| 2025-May-21 1510: ILLEGAL IMPORT | HH | 151,000 | 0.12 |
| P2+ | 242,000 | 0.08 | |
| P18-49 | 37,000 | 0.03 | |
| P25-54 | 54,000 | 0.04 | |
| 2025-May-14 1508: SUSPICIOUS ITINERARY | HH | 138,500 | 0.11 |
| P2+ | 202,000 | 0.06 | |
| P18-49 | 38,000 | 0.03 | |
| P25-54 | 51,000 | 0.04 | |
| 2025-May-07 1505: NERVOUS LUGGAGE 1506: TOURIST DECEIT | P2+ | 154,000 | 0.05 |
| P18-49 | 11,000 | 0.01 | |
| P25-54 | 25,000 | 0.02 | |
| 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 | Life Below Zero° | 429,000 | +19% |
| 2 | Northwoods Survival | 345,700 | -9% |
| 3 | Lost Treasures of the Bible | 149,000 | -49% |