Average Physical Development Milestone By hallmanriley1 Apr 16, 2018 No grasp Reflex 3 Months Jan 16, 2019 Stands holding furniture 1 Year Jan 16, 2020 Able to run 2 years Jan 16, 2021 Speaks in sentences 3 years Jan 16, 2022 Goes down stairs one foot per step 4 Years Jan 16, 2023 Begins to be able to control gravitational forces in walking 5 Years Jan 16, 2024 Speaks Fluently 6 Years Jan 16, 2025 Testing the limits of physical performance 7 Years Jan 16, 2026 Starting to grasp the abstract concept of money 8 Years Jan 16, 2027 Strong awareness of time 9 Years Jan 16, 2028 Higher level of conversational contribution 10 Years