The table below lists the curret & historical GICS sector breakdown of the S&P/TSX Composite stock index. Currently (12/31/2019), the largest sector of the index is clearly the Financials sector (32.08%), which is almost twice as large as the second biggest sector, Energy (17.01%).
[S&P/TSX Composite] – GICS Sector Weightings
| Sector | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Communication Services | 5.46% | 5.98% | - | - |
| Consumer Discretionary | 4.14% | 4.27% | 5.44% | 5.03% |
| Consumer Staples | 3.85% | 4.02% | 3.66% | 3.84% |
| Energy | 17.01% | 17.81% | 19.67% | 21.43% |
| Financials | 32.08% | 32.92% | 34.59% | 34.99% |
| Health Care | 1.29% | 1.59% | 0.97% | 0.60% |
| Industrials | 10.96% | 10.80% | 9.54% | 8.88% |
| Information Technology | 5.65% | 4.01% | 3.23% | 2.75% |
| Materials | 11.36% | 11.29% | 11.50% | 11.81% |
| Real Estate | 3.46% | 3.20% | 2.92% | 3.03% |
| Utilities | 4.75% | 4.10% | 3.78% | 2.83% |
| Telecommunications (discont.) | - | - | 4.72% | 4.83% |
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