To estimate the total number of shoes a person may own throughout their life, we should consider different life stages. For simplicity, let's assume a lifespan of 80 years. During the first two years of life, infants typically do not wear significant footwear, so we'll exclude this timeframe. From ages 2 to 12, children tend to quickly outgrow their shoes. If we estimate two pairs each year, that results in 20 pairs of shoes. From ages 12 to 20, during the teenage years when growth tends to stabilize but style and activities influence shoe choices, we can again assume two pairs per year, totaling 16 pairs. From ages 20 to 80, as adults, the number of shoes purchased will largely depend on individual lifestyle, but let's assume an average person buys two pairs annually, leading to 120 pairs over 60 years. In total, this gives us an estimated 156 pairs of shoes. Keep in mind that this is a rough estimation based on specific assumptions, and the actual number may vary significantly.