The line graph delineates the trends in the number of dog and cat owners in the UK from 1980 to 2015, quantified in millions.
Overall, both dog and cat ownership exhibited distinct trends over the given period, with dog ownership ultimately surpassing that of cats towards the end. Despite an initial predominance of cat owners, the latter years witnessed a marked increase in the number of dog owners.
In 1980, the number of dog owners stood at 7 million, while cat owners numbered 8 million. Notably, by 1985, both categories experienced significant growth, reaching 15 million for dog owners and 17 million for cat owners. However, a slight decline occurred in 1990, as dog ownership decreased to 14 million, while cat ownership continued its upward trajectory, rising to 21 million by the same year. A dramatic surge followed, with dog owners increasing to 28 million in 1995, and further climbing to 35 million by 2000.
The trend for cat owners reached its zenith in 2000, peaking at 42 million, but subsequently saw a minor decline, culminating at 44 million in 2005. By 2010, dog ownership had soared to 39 million; however, the number of cat owners remained static at 44 million. A pivotal shift occurred by 2015, when dog ownership peaked at 47 million, contrasting with a decrease in cat ownership to 39 million. This final data point indicates a reversal in ownership trends, establishing dog owners as the dominant pet owners in the UK by the end of the period.