The table below lists the Sector weightings of the FTSE 100 index. Currently (12/31/2020), the largest sector is the Consumer Staples sector that makes up 19.67% of the index. Financial companies come second with a weighting of 18.44%. The largest individual index constituent is Unilever plc whose weighting is 6.31%, followed by AstraZeneca plc (5.76%). Five of the largest constituents represent approximately 25% of the whole index.
[FTSE 100 Index] – Sector Weightings
| Sector | 12/31/2020 | 6/30/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
|---|---|---|---|---|---|---|---|
| Communications | 4.54% | 4.83% | 5.37% | 5.82% | - | - | - |
| Consumer Discretionary | 8.32% | 6.96% | 6.72% | 6.26% | 8.47% | 9.29% | 11.04% |
| Consumer Staples | 19.67% | 17.93% | 15.77% | 15.84% | 17.29% | 16.36% | 18.35% |
| Energy | 8.76% | 10.14% | 14.39% | 17.23% | 15.48% | 15.62% | 12.15% |
| Financials | 18.44% | 17.71% | 20.25% | 20.46% | 21.82% | 20.77% | 23.36% |
| Health Care | 10.47% | 13.26% | 10.98% | 9.69% | 9.05% | 10.64% | 10.34% |
| Industrials | 10.39% | 10.53% | 10.05% | 9.10% | 7.12% | 7.05% | 6.84% |
| Information Techn. | 1.29% | 1.37% | 1.01% | 1.03% | 1.85% | 0.91% | 1.51% |
| Materials | 13.35% | 11.91% | 10.83% | 10.40% | 10.28% | 9.31% | 5.46% |
| Real Estate | 1.20% | 1.16% | 1.20% | 0.99% | 1.23% | 1.22% | - |
| Utilities | 3.58% | 4.19% | 3.45% | 3.18% | 3.10% | 4.19% | 4.53% |
| Telecoms (discont.) | - | - | - | - | 4.30% | 4.64% | 6.41% |
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