Lost dogs and the way home: What research shows about tags, microchips, and GPS trackers

An open gate. A slipped collar. A thunderstorm. A dog can disappear in seconds. Veterinary professionals know the scenario from both sides of the exam table: as dog owners themselves and as the people clients turn to when a pet goes missing.

Most lost dogs do come home. How they get there does not always match what owners expect. Research spanning more than a decade points to neighborhood searches, identification tags, and registered microchips as the backbone of reunification. A newer layer, GPS tracking, now reaches into places where cell service ends.

How often dogs go missing and how they get home

In a national telephone survey led by ASPCA researchers and published in Animals in 2012, interviewers reached 1015 households that had owned a dog or cat in the previous 5 years. Of those, 817 households owned dogs. About 14% of dogs had been lost during that period. Of those lost dogs, 93% were recovered.¹

Searching the neighborhood and dogs returning on their own were the most common ways owners got their dogs back. Of the recovered dogs, 49% were found through a neighborhood search. A tag or microchip led to the return of 15%. Only 6% were found by contacting animal control.¹

That pattern has a flip side for shelters. Emily Weiss, PhD, then the ASPCA’s vice president of shelter research and development, said at the time that the findings raised the possibility that a significant percentage of stray dogs and cats in shelters do not have anyone looking for them.²

Microchips raise the odds of a reunion when a dog reaches a shelter

When a lost dog does end up in a shelter, a microchip makes a measurable difference. A study published in the Journal of the American Veterinary Medical Association in 2009 followed 7704 microchipped animals entering 53 US shelters. Only shelters that scanned every incoming animal for a microchip could take part.^3,4 Microchipped dogs were returned to their owners 52.2% of the time, compared with 21.9% of dogs without microchips.^3,5 When microchipped animals did not make it home, the most common reason was incorrect or missing owner information.⁵

Shelter reunions appear to be slipping nationally. Shelter Animals Count, the national database for animal sheltering statistics, reported that 638,000 dogs and cats were returned to their owners in 2025, a 3% decrease from 2024. Among stray dogs, 34% were returned to their owners.⁶

Satellite-connected GPS trackers extend coverage beyond cell service

GPS trackers add real-time location data that tags and microchips cannot provide. According to Fi, a New York-based maker of pet wearables, traditional GPS trackers lose a dog’s location once it moves beyond the reach of a cell tower.⁷

Fi’s answer to that gap, the Fi Ultra dog tracker, was named to TIME’s Best Inventions of 2026.^7,8 The company says the device switches automatically from LTE to T-Mobile’s T-Satellite with Starlink service when cellular coverage drops, keeping dogs trackable nearly anywhere in the US.⁷ TIME’s entry notes that the device keeps a pet trackable on ranches and backcountry trails where a phone would show no signal.⁸

Asked by TIME whether a satellite collar is overkill, Fi cofounder and CEO Jonathan Bensamoun pointed to the owner “whose dog has gone missing in a national park with no signal to locate them.”⁸ The device also includes a recall feature that uses sound and vibration cues rather than static shock, according to the company.⁷

Identification in layers: What the research suggests for veterinary teams and clients

Taken together, the research describes identification in layers. In the 2012 survey, more recovered dogs were found through neighborhood searches than any other way.¹ A visible tag gives a neighbor a quick way to reach an owner. A microchip matters most once a dog reaches a shelter, where microchipped dogs in the 2009 study went home at more than twice the rate of dogs without chips.⁵ For dogs that roam far from cell coverage, a GPS tracker adds another option. For clients and veterinary staff alike, the findings point to the same starting points: a current tag, a chip registered with up-to-date contact information, and a thorough search close to home.

References

1. Weiss E, Slater M, Lord L. Frequency of lost dogs and cats in the United States and the methods used to locate them. Animals (Basel). 2012;2(2):301-315. doi:10.3390/ani2020301
2. How many pets are lost? How many find their way home? ASPCA survey has answers. News release. ASPCA. June 28, 2012. Accessed October 15, 2026. https://www.aspca.org/about-us/press-releases/how-many-pets-are-lost-how-many-find-their-way-home-aspca-survey-has-answers
3. Lord LK, Ingwersen W, Gray JL, Wintz DJ. Characterization of animals with microchips entering animal shelters. J Am Vet Med Assoc. 2009;235(2):160-167. doi:10.2460/javma.235.2.160
4. Microchips result in higher rate of return of shelter animals to owners. News release. The Ohio State University. October 11, 2009. Accessed October 15, 2026. https://news.osu.edu/microchips-result-in-higher-rate-of-return-of-shelter-animals-to-owners/
5. Pet owners, shelters, and clinics: check the chip. JAVMA News. August 1, 2017. Accessed October 15, 2026. https://www.avma.org/javma-news/2017-08-01/pet-owners-shelters-and-clinics-check-chip
6. 2025 annual data report. Shelter Animals Count. Accessed October 15, 2026. https://www.shelteranimalscount.org/2025-report/
7. Fi Ultra named to TIME’s Best Inventions of 2026. News release. Fi. October 15, 2026. Accessed October 15, 2026. https://www.businesswire.com/news/home/20261015220898/en/Fi-Ultra-Named-to-TIMEs-Best-Inventions-of-2026
8. Mullich J. Fi Ultra. TIME. October 15, 2026. Accessed October 15, 2026. https://time.com/collection/best-inventions/2026/fi-ultra/