Data
Body Mass Index of women who gave birth
| Year |
BMI <20 |
BMI 20-24 |
BMI 25-29 |
BMI 30-34 |
BMI 35-39 |
BMI 40-44 |
BMI>=45 |
| 2015 |
10.6% |
42.1% |
27.4% |
12.6% |
4.9% |
1.6% |
0.8% |
| 2016 |
10.3% |
42.0% |
27.6% |
12.8% |
5.0% |
1.6% |
0.7% |
| 2017 |
10.3% |
41.7% |
27.8% |
12.6% |
5.1% |
1.8% |
0.6% |
| 2018 |
9.8% |
41.0% |
27.6% |
13.2% |
5.6% |
2.0% |
0.8% |
| 2019 |
8.8% |
40.2% |
28.8% |
13.8% |
5.5% |
2.0% |
0.8% |
| 2020 |
8.3% |
39.5% |
29.0% |
14.1% |
5.9% |
2.2% |
1.0% |
| 2021 |
7.7% |
37.9% |
30.0% |
15.3% |
6.1% |
2.2% |
0.9% |
| 2022 |
7.7% |
37.6% |
29.8% |
15.4% |
6.2% |
2.3% |
1.0% |
| 2023 |
7.6% |
37.5% |
29.8% |
15.5% |
6.3% |
2.3% |
1.0% |
| 2024 |
7.2% |
37.1% |
30.0% |
15.2% |
6.5% |
2.1% |
2.0% |
Data for most recent complete calendar year are incomplete and subject to change.
Source
Midwives Notification System, Information and System Performance Directorate, Department of Health WA.
Data extracted 06 April 2025