According to a survey by the International Food Information Council Foundation, about one-third of people that heard of plant based diets (32%) say plant based is a vegan diet that avoids all animal products, including eggs and dairy. A similar percentage (30%) define it as a diet that emphasizes minimally processed foods that come from plants, with limited consumption of animal meat, eggs and dairy. Twenty percent believe it to be a vegetarian diet that avoids animal meat. Eight percent say it is a diet in which you try to get as many fruits and vegetables as possible, with no limit on consuming animal meat, eggs and dairy.
For more information, see International Food
Information Council Foundation 2019 Food and Health Survey: https://foodinsight.org/thanks-for-your-interest-in-the-ific-2019-food-health-survey/
For more information on the meaning of plant based, see
https://www.vrg.org/journal/vj2018issue4/2018_issue4_plant_based.php